Product Description
55kw 75HP Energy Saving Air Cooling CHINAMFG Two Stage Direct Driven Screw Air Compressor
Our company is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop, a comprehensive first-class exhibition hall and a testing laboratory. We have 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor , 4-in-1 air compressor, Oil free water lubrcating air compressor , Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer!
Product Parameters&Advantage
Two Stage PM VSD Screw Air Compressor
Advantages of Two Stage PM VSD air compressor:
1.Two-stage PM VSD air compressor mainframe is more efficient and more energy-saving. It can save up to 40% energy compared with ordinary industrial frequency machines
2.Two-stage PM VSD replaces single-stage compression, and the displacement is increased by nearly 15%, which can achieve an additional 15% energy saving effect.
3.Two-stage compression reduces the compression ratio of each stage, reduces internal leakage, improves volumetric efficiency,reduces bearing oad, and increases the life of the host.
4.The rotor adopts the latest patented rotor UV profile, which has been refined by more than 20 procedures to ensure the accuracy,reliability, and effectiveness of the rotor profile.
|
Type |
Two Stage/Screw/PM VSD |
| Working Pressure |
7 bar, 8 bar, 13 bar, 10 bar |
| Configuration | Stationary |
| Lubrication Style | Lubricated |
| Voltage | 220V/380V/440V/525V |
| Weight | 730-3590kg |
| Air capacity | 3.2M³/Min-39.6M³/Min |
| Motor power | 22KW-185KW |
| Outlet Diameter | DN40/DN65/DN80 |
|
OEM/ODM |
Accept customization,Voltage/power/horsepower/working pressure can be customized |
If you are interested in our products, please feel free to contact us !
Parameters:
Product Description
Company Profile
ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor
manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop,
a comprehensive first-class exhibition hall and a testing laboratory.
CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production
concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology
of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety.
The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD
two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric
portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of
cooperation and mutual benefit to provide a one-stop service for every customer!
CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South
Africa, Australia, Thailand, Russia, Argentina, Canada and so on. CHINAMFG products have won a good reputation from users for their excellent
quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with
excellent products and meticulous after-sales service!
CHINAMFG warmly welcome customers to visit our factory and establish a wide range of cooperation!
Certifications
Exhibition
Packaging & Shipping
Customized package
FAQ
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our Factory is Located in Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province, China.
Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.
Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.
Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.
Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 24 Hours |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
|
|
|---|
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Can air compressors be used for shipbuilding and maritime applications?
Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:
1. Pneumatic Tools and Equipment:
Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.
2. Painting and Surface Preparation:
Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.
3. Pneumatic Actuation and Controls:
Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.
4. Air Start Systems:
In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.
5. Pneumatic Conveying and Material Handling:
In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.
6. Air Conditioning and Ventilation:
Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.
These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.
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What are the environmental considerations when using air compressors?
When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:
Energy Efficiency:
Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.
Air Leakage:
Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.
Noise Pollution:
Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.
Emissions:
While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.
Proper Waste Management:
Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.
Sustainable Practices:
Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.
By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by CX 2024-02-21
China Hot selling Air Cooling Shijiazhuang CHINAMFG Air Compressor From CHINAMFG small air compressor
Product Description
Oil free compressed air: in accordance with ISO 8573-1:2001 grade 0, which specifies the food and beverage, pharmaceutical, textile, and electronics industries
Reducing energy costs: Combining variable speed operation with Nirvana HPM Motors, as well as advanced system controllers, provide ultra efficient performance
Stronger reliability: stainless steel components, double row sealing, and precision machined rotors with UltraCoat protection ensure smooth operation
Reduce lubricant replacement: The industry-leading Ultra Coolant provides up to 8000 hours of lubricant usage time, which is 8 times the lifespan of conventional lubricants
High temperature working environment: Long life components are designed to withstand the highest ambient temperature of 46 º C
| Water Cooling | |||||||||||
| Model | Hz | FAD | Dimension | Weight | |||||||
| m³/min | Width (mm) | Length (mm) | Height (mm) | kg | |||||||
| SL-37 | 50 | 6 | 1372 | 2248 | 1914 | 2387/2410 | |||||
| SM-37 | 50 | 5.1 | 1372 | 2248 | 1914 | 2387/2410 | |||||
| SH-37 | 50 | / | 1372 | 2248 | 1914 | 2387/2410 | |||||
| SL-45 | 50 | 7.6 | 1372 | 2248 | 1914 | 2497/2520 | |||||
| SM-45 | 50 | 6.5 | 1372 | 2248 | 1914 | 2497/2520 | |||||
| SH-45 | 50 | / | 1372 | 2248 | 1914 | 2497/2520 | |||||
| SL-55 | 50 | 9.6 | 1372 | 2248 | 1914 | 2577/2600 | |||||
| SM-55 | 50 | 8.6 | 1372 | 2248 | 1914 | 2577/2600 | |||||
| SH-55 | 50 | 7.7* | 1372 | 2248 | 1914 | 2577/2600 | |||||
| SL-75 | 50 | 12.5 | 1372 | 2248 | 1914 | 2682/2705 | |||||
| SM-75 | 50 | 11.6 | 1372 | 2248 | 1914 | 2682/2705 | |||||
| SH-75 | 50 | 10.7* | 1372 | 2248 | 1914 | 2682/2705 | |||||
| SL-90 | 50 | 15.9 | 1588 | 2692 | 2362/1841 | 3040/3195 | |||||
| SM-90 | 50 | 13.6 | 1588 | 2692 | 2362/1842 | 3040/3195 | |||||
| SH-90 | 50 | 13 | 1588 | 2692 | 2362/1843 | 3040/3195 | |||||
| SL-110 | 50 | 19.4 | 1588 | 2692 | 2362/1844 | 3095/3250 | |||||
| SM-110 | 50 | 18 | 1588 | 2692 | 2362/1845 | 3095/3250 | |||||
| SH-110 | 50 | 15.3 | 1588 | 2692 | 2362/1846 | 3095/3250 | |||||
| SL-132 | 50 | 22.8 | 1588 | 2692 | 2362/1847 | 3274/3429 | |||||
| SM-132 | 50 | 21.4 | 1588 | 2692 | 2362/1848 | 3274/3429 | |||||
| SH-132 | 50 | 18.8 | 1588 | 2692 | 2362/1849 | 3274/3429 | |||||
| SL-150 | 50 | 25.9 | 1588 | 2692 | 2362/1850 | 3275/3430 | |||||
| SM-150 | 50 | 24.6 | 1588 | 2692 | 2362/1851 | 3275/3430 | |||||
| SH-150 | 50 | 22.1 | 1588 | 2692 | 2362/1852 | 3275/3430 | |||||
| SL-200 | 50 | 35 | 1930 | 3048 | 2438/2571 | 4186 | |||||
| SM-200 | 50 | 32.6 | 1930 | 3048 | 2438/2571 | 4186 | |||||
| SH-200 | 50 | 27.4 | 1930 | 3048 | 2438/2571 | 4186 | |||||
| SL-250 | 50 | 45.2 | 1930 | 3048 | 2438/2026 | 4306 | |||||
| SM-250 | 50 | 41.2 | 1930 | 3048 | 2438/2571 | 4306 | |||||
| SH-250 | 50 | 35.5 | 1930 | 3048 | 2438/2571 | 4306 | |||||
| SL-300 | 50 | 43.6 | 1930 | 3048 | 2438/2571 | 4366 | |||||
| SM-300 | 50 | 43.5 | 1930 | 3048 | 2438/2030 | 4366 | |||||
| SH-300 | 50 | 43.3 | 1930 | 3048 | 2438/2031 | 4366 | |||||
| Air Cooling | |||||||||||
| Model | HZ | FAD | Dimension | Weight | |||||||
| cfm | Width (mm) | Length (mm) | Height (mm) | Ib | |||||||
| L-50 | 60 | 214 | 54 | 88.5 | 75.4 | 5111 | |||||
| H-50 | 60 | 179 | 54 | 88.5 | 75.4 | 5111 | |||||
| HH-50 | 60 | / | 54 | 88.5 | 75.4 | 5111 | |||||
| L-60 | 60 | 266 | 54 | 88.5 | 75.4 | 5364 | |||||
| H-60 | 60 | 229 | 54 | 88.5 | 75.4 | 5364 | |||||
| HH-60 | 60 | / | 54 | 88.5 | 75.4 | 5364 | |||||
| L-75 | 60 | 333 | 54 | 88.5 | 75.4 | 5364 | |||||
| H-75 | 60 | 288 | 54 | 88.5 | 75.4 | 5364 | |||||
| HH-75 | 60 | 268* | 54 | 88.5 | 75.4 | 5500 | |||||
| L-100 | 60 | 419 | 54 | 88.5 | 75.4 | 5500 | |||||
| H-100 | 60 | 407 | 54 | 88.5 | 75.4 | 5500 | |||||
| HH-100 | 60 | 378* | 54 | 88.5 | 75.4 | 5500 | |||||
| L-125 | 60 | 585 | 62.5 | 106 | 93.3/72.5 | 6437/6709** | |||||
| H-125 | 60 | 523 | 62.5 | 106 | 93.3/72.5 | 6437/6709** | |||||
| HH-125 | 60 | 477 | 62.5 | 106 | 93.3/72.5 | 6437/6709** | |||||
| L-150 | 60 | 690 | 62.5 | 106 | 93.3/72.5 | 6452/6724** | |||||
| H-150 | 60 | 690 | 62.5 | 106 | 93.3/72.5 | 6452/6724** | |||||
| HH-150 | 60 | 565 | 62.5 | 106 | 93.3/72.5 | 6452/6724** | |||||
| L-200 | 60 | 911 | 62.5 | 106 | 93.3/72.5 | 7099/7385** | |||||
| H-200 | 60 | 854 | 62.5 | 106 | 93.3/72.5 | 7099/7385** | |||||
| HH-200 | 60 | 759 | 62.5 | 106 | 93.3/72.5 | 7099/7385** | |||||
| L-250 | 60 | 1182 | 76 | 120 | 96/80** | 8820 | |||||
| H-250 | 60 | 1070 | 76 | 120 | 96/80** | 8820 | |||||
| HH-250 | 60 | 905 | 76 | 120 | 96/80** | 8820 | |||||
| L-300 | 60 | 1398 | 76 | 120 | 96/80** | 9090 | |||||
| H-300 | 60 | 1264 | 76 | 120 | 96/80** | 9090 | |||||
| HH-300 | 60 | 1112 | 76 | 120 | 96/80** | 9090 | |||||
| L-350 | 60 | 1600 | 76 | 120 | 96/80** | 9610 | |||||
| H-350 | 60 | 1501 | 76 | 120 | 96/80** | 9610 | |||||
| HH-350 | 60 | 1330 | 76 | 120 | 96/80** | 9610 | |||||
| L-400 | 60 | 1539 | 76 | 120 | 96/80** | 9610 | |||||
| H-400 | 60 | 1535 | 76 | 120 | 96/80** | 9610 | |||||
| HH-400 | 60 | 1527 | 76 | 120 | 96/80** | 9610 | |||||
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service |
|---|---|
| Warranty: | One Year |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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What is the role of air compressors in power generation?
Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:
1. Combustion Air Supply:
Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.
2. Instrumentation and Control:
Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.
3. Cooling and Ventilation:
In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.
4. Cleaning and Maintenance:
Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.
5. Pneumatic Tools and Equipment:
In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.
6. Nitrogen Generation:
Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.
7. Start-up and Emergency Systems:
Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.
Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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Are there portable air compressors available for home use?
Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:
1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.
2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.
3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.
4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.
5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.
6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.
7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.
When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.
Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.


editor by CX 2024-02-18
China Hot selling 18kw Vhd Air Cooling High Efficiency Mute Industrial Oil Free Dry Twin Screw Rotary Air Compressor with Great quality
Product Description
| Napu series | Napu Model No. | Working pressure | FAD | Dimension(L*W*Hmm) | Weight (kg) | Speed RPM | Air outlet pipe diameter | Power | Air Cooling capacity | Noise | |||
| BarG | m3/min | mm | mm | mm | kg | rpm | kW | m3/h | dB(A) | ||||
| 0FA15VHD | 4~10 | 0.31-2.3 | 1600 | 1400 | 1800 | 1150 | 2940 | DN50 | 5.5 | 15000 | 74 | ||
| 0FA18VHD | 0.33-2.8 | 1150 | |||||||||||
| OFA22VHD | 0.41-3.7 | 1200 | 2950 | ||||||||||
| OFA30VHD | 0,89-5.2 | 1200 | |||||||||||
| OFA37VHD | 0.97-6.4 | 1300 | |||||||||||
| OFA45VHD | 1.2-7.6 | 1300 | 2965 | ||||||||||
| OFA55VHD | 1.36-8.9 | 2000 | 1400 | 2970 | |||||||||
| OFA75VHD | 2.0-12.5 | 1500 | |||||||||||
| OFA90VHD | 2.3-15.6 | 1600 | |||||||||||
| Company Profile |
ZheJiang Napu compressor Technology Co.,LTD was established in 2012 based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors .
With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.
The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.
| Product Features |
1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted
| FAQ |
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO and certificate as clients’ demande.
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.
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| After-sales Service: | Online Support |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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Can air compressors be used for cleaning and blowing dust?
Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:
1. Cleaning Machinery and Equipment:
Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.
2. Dusting Surfaces:
Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.
3. Cleaning HVAC Systems:
Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.
4. Blowing Dust in Workshops:
In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.
5. Cleaning Electronics and Computer Equipment:
Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.
6. Industrial Cleaning Applications:
Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.
When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.
Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.
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How do you troubleshoot common air compressor problems?
Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:
1. No Power:
- Check the power source and ensure the compressor is properly plugged in.
- Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
- Verify that the compressor’s power switch or control panel is turned on.
2. Low Air Pressure:
- Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
- Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
- Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.
3. Excessive Noise or Vibration:
- Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
- Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
- Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.
4. Air Leaks:
- Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
- Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
- Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.
5. Excessive Moisture in Compressed Air:
- Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
- Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
- Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.
6. Motor Overheating:
- Ensure the compressor’s cooling system is clean and unobstructed.
- Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
- Verify that the compressor is not being operated in an excessively hot environment.
- Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
- Consider using a thermal overload protector to prevent the motor from overheating.
If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.
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How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.


editor by CX 2024-02-15
China wholesaler Hot Sale Oil Cooling Diesel Engine Screw Portable Compressors Mobile Air Compressor air compressor for sale
Product Description
Product Description
Diesel mobile screw air compressor
This series of products pay more attention to the structural layout of products and the application of innovative technologies while improving the strength of the machine body. The self-developed cooler is equipped with fans with corresponding speed ratio, which can ignore all the high temperature weather. Diesel engines operating at economic speeds can improve fuel economy while operating at low noise. The double-door design greatly solves the trouble of inconvenient replacement of filter element during maintenance.
| TECHNICAL SPECIFICATIONS | |
| Type | Screw Air Compressor |
| Item | 21/17 |
| Rated FAD | 21 m³/min |
| Rate Pressure | 17 bar |
| Diesel Brand | Yuchai Diesel |
| Engine Power | 191KW |
| Compression stage | 2 Stage |
| Whole Machine walking mode | 4wheels |
| Dimensions (L*W*H) | 3200*2000*2600mm |
| Weight | 3700KG |
Detailed Photos
Packaging & Shipping
Company Profile
FAQ
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory?
A2: Our company is located in Kaixuan Road ,Economic Zone HangZhou, ZHangZhoug, China
Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: What about the voltage of products? Can they be customized?
A5: Yes, of course. The voltage can be customized according to your equirement.
Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.
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| After-sales Service: | 1 Year |
|---|---|
| Lubrication Style: | Lubricated |
| Cooling System: | Oil Cooling |
| Power Source: | Diesel Engine |
| Cylinder Position: | Angular |
| Structure Type: | Closed Type |
| Customization: |
Available
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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Can air compressors be used for medical and dental applications?
Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:
1. Dental Tools:
Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.
2. Medical Devices:
Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.
3. Laboratory Applications:
Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.
4. Surgical Tools:
In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.
5. Sterilization and Autoclaves:
Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.
6. Dental Air Compressors:
Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.
7. Air Quality Standards:
In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.
8. Compliance and Regulations:
Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.
It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.
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Are there air compressors specifically designed for high-pressure applications?
Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:
1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.
2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.
3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.
4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:
- Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
- Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
- Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
- Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
- Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.
5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.
When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.
High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.


editor by CX 2024-01-12
China best 30HP Air Cooled Piston Compressor Racks for Fruits Cooling Storage manufacturer
Product Description
The condensing unit with Bi tzer Piston compressor for low temperature room
Adopt semi-hermetic piston compressor, good quality&high stability; Use several compressors racks, with same discharge pipe, suction pipe, condenser,receiver and other parts,making a refrigerant recycle to control totally.The condensing is compact with low noise, save space and easy to install.
Features:
1.Quality Assurance: Intentional brand compressor and spare parts, strong cooling capacity, with high efficiency,long life,low vibration and noise.
2.Stable system: Control the system of units every moment,with function of failure alarm to ensure the units running safely.
3.High efficiency and energy saving:supply the cooling capacity the requirement,save more 20% energy than separated compressor.The energy controller can adjust the capacity to reduce the consumption.
4.Compact structure:assemble compressors, receiver, oil separator, accumulator, economizer,and all pipes in 1 frame.Saving much space.
5.Intelligent control system:remote monitoring system,PLC controller, touch screen can show the running condition,setting the data and function failure alarm.
Model Description:
M BZ LG F 2 – S 100 / J Y
M:MEOJILE products
BZ:Compressor brand
(BZ:B itzer HZ:Handbell FS:FUSHENG RF:Refcomp FR:Frascold)
LG:Compressor type
(LG:screw BF:piston WX:scroll)
F:Condensation mode
(F:evaporation cooling/air cooling S:water cooling)
2:Compressor QTY
S:Double stage semi hermatic /:Single stage semi hermatic
100:Compressor motor rated power(HP)
J:Temperature
(H:high temp. +5~+20ºC M:middle temp. -10~+5ºC
L:low temp. -30~-10ºC J:blast freezing -50~-30ºC)
Y:Polyester oil /:Mineral oil
Main Components :
Compressor, condenser , pressure controller, pressure oil gauge, pressure sensor,filter vat filter core, liquid angle valve , accumulator, suction check valve, oil separator , oil safety valve, oil pipe ball valve, oil cooler, oil cooler valves, filter, oil dry filter, filter core, solenoid valve, economizer, sight glass, expansion valve,touch screen, LP sensor , PLC controller, CHINAMFG HMI.
Specification:
| Air cooled condensing unit with B itzer compressor for middle temperature cold room | |||||||||
| Unit model | MBZBFF2- 20M(Y) |
MBZBFF2- 30M(Y) |
MBZBFF2- 40M(Y) |
MBZBFF2- 50M(Y) |
MBZBFF2- 60M(Y) |
MBZBFF2- 70M(Y) |
MBZBFF2- 80M(Y) |
MBZBFF2- 100M(Y) |
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| Refrigerant | R22(R404A/R507A) | ||||||||
| Power supply | 380V/3P/50HZ | ||||||||
| Compressor | Model | 4VES-10Y | 4PES-15Y | 4NES-20Y | 4HE-25Y | 4GE-30Y | 6HE-35Y | 6GE-40Y | 6FE-50Y |
| Qty | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| Evaporating Temperature | -20ºC~+10ºC | ||||||||
| Evap.Temp -8ºC |
Cooling capacity(KW) | 38.58 | 53.2 | 63.8 | 84.8 | 97.2 | 124.4 | 141.6 | 172.8 |
| Power input(KW) | 15.2 | 21.16 | 25.32 | 33.52 | 38.74 | 50 | 57.8 | 71.6 | |
| Running current(A) | 27.44 | 38.26 | 44.2 | 59 | 69.8 | 89.2 | 107.2 | 147.2 | |
| Liquid pipe(mm) | Φ22 | Φ22 | Φ28 | Φ28 | Φ28 | Φ35 | Φ35 | Φ35 | |
| Suction pipe(mm) | Φ42 | Φ54 | Φ54 | DN65 | DN65 | DN65 | DN65 | DN65 | |
| oil separator outlet (mm) | Φ35 | Φ35 | Φ35 | Φ42 | Φ42 | Φ54 | Φ54 | Φ54 | |
| Reseiver inlet(mm) | Φ28 | Φ28 | Φ28 | Φ35 | Φ35 | Φ42 | Φ42 | Φ42 | |
| Overall size | L(mm) | 2200 | 2200 | 2200 | 2300 | 2300 | 2500 | 2500 | 2500 |
| W(mm) | 1100 | 1100 | 1100 | 1200 | 1200 | 1200 | 1200 | 1200 | |
| H(mm) | 1650 | 1650 | 1650 | 1750 | 1750 | 1850 | 1850 | 1850 | |
| cooling capacity and power are calculated @ 45ºCcondensing temperature with air cooled condenser | |||||||||
| After-sales Service: | Oversea Aftersales Is Available |
|---|---|
| Warranty: | 12 Months |
| Principle: | Piston Compressor |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there special considerations for air compressor installations in remote areas?
Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:
1. Power Source:
Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.
2. Environmental Conditions:
Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.
3. Accessibility and Transport:
Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.
4. Maintenance and Service:
In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.
5. Fuel and Lubricants:
For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.
6. Noise and Environmental Impact:
Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.
7. Communication and Remote Monitoring:
Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.
By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.
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Can air compressors be integrated into automated systems?
Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:
Pneumatic Automation:
Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.
Control and Regulation:
In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.
Sequential Operations:
Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.
Energy Efficiency:
Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.
Monitoring and Diagnostics:
Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.
When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.
In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.
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What is the purpose of an air compressor?
An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:
1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.
2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.
3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.
4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.
5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.
6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.
Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.


editor by CX 2023-12-08
China Custom High-Quality Air Cooling High Pressure Oil Free Compressor Good Price manufacturer
Product Description
High Pressure Electric/Diesel Air Booster/Air Compressor
Introductions:
Our products have complete varieties and specifications. From the compressor type, it is divided into mobile type, fixed type, vehicle-mounted type, skid-mounted type and so on. Compressed media include air, natural gas, liquefied petroleum gas, hydrogen, recycled gas, nitrogen, ammonia, propylene, biogas, coalbed methane, carbon dioxide, etc. From the cylinder lubrication method, it is divided into oil lubrication and oil-free lubrication. From the compression type, it is divided into reciprocating piston type and screw type. Products are widely used in metallurgical machinery manufacturing, urban construction, steel, national defense, coal, mining, geology, natural gas, petroleum, petrochemical, chemical, electric power, textile, biology, medicine, glass and other industries.
Main features:
1. The compressor is manufactured by air-cooling and water-cooling technology, with high reliability and long service life.
2. The compressor unit has a high degree of automation. The unit operation is controlled by a programmable controller PLC and is equipped with multiple protections.
3. Automatic shutdown protection, unloading restart, automatic drainage, and alarm for insufficient oil.
| Flow rate | ≤50 Nm³/min |
| Pressure | ≤40 MPa |
| Medium | air, nitrogen, carbon dioxide, natural gas |
| Control | PLC automatic control |
| Drive mode | electric motor, diesel engine |
| Cooling method | air cooling, water cooling, mixed cooling |
| Installation method | mobile type, fixed type, vehicle-mounted type, skid-mounted type |
Main Technical Parameters:
| NO. | Model | Rotating Speed (r/min) |
Intake Pressure (Mpa) |
Exhaust Pressure (Mpa) |
Exhaust Volume (Nm³/min) |
Dimension (L*W*H)mm | Drive Power/Shaft Power(KW) | Weight (T) | Remark |
| 1 | SF-10/150 | 1330 | Atmospheric Pressure | 15 | 10 | 5500*2000*2300 | 227/139 | 6 | Stationary Diesel Engine |
| 2 | SF-10/150 | 1330 | 15 | 10 | 7500*2300*2300 | 227/139 | 8 | Container Skid Mounted Diesel Engine | |
| 3 | SF-10/250 | 1330 | 25 | 10 | 5500*2000*2300 | 227/173 | 6 | Stationary Diesel Engine | |
| 4 | SF-10/250 | 1330 | 25 | 10 | 7500*2300*2300 | 227/173 | 8 | Container Skid Mounted Diesel Engine | |
| 5 | SF-10/250 | 1330 | 25 | 10 | 15710*2496*3900 | 227/173 | 21.98 | Vehicular | |
| 6 | WF-10/60 | 1000 | 6 | 10 | 6000*2200*2200 | 135/110 | 6 | Container Skid Mounted Diesel Engine | |
| 7 | W-10/350 | 980 | 35 | 10 | 15710*2496*3900 | 303/187 | 21.98 | Vehicular | |
| 8 | WF-0.9/3-120 | 980 | 0.3 | 12 | 0.9 | 5100*2000*2350 | 75/50 | 5.4 | Container Skid Mounted Diesel Engine |
| 9 | SF-1.2/24-150 | 1200 | 2.4 | 15 | 1.2 | 7500*2300*2415 | 303/195 | 8.6 | Container Skid Mounted Diesel Engine |
| 10 | W-0.86/17-350 | 1000 | 1.7 | 35 | 0.86 | 8500*2500*2300 | 277/151 | 12 | Container Skid Mounted Diesel Engine |
| 11 | W-1.25/11-350 | 980 | 1.1 | 35 | 1.25 | 8000*2500*2500 | 185/145.35 | 15 | Container Skidding Motor |
| 12 | LG.V-25/150 | Screw 2279 Piston 800 | Atmospheric Pressure | 15 | 25 | 7000*2420*2300 | 355 | 16 | Container Skidding Motor |
| Model | Flow | Pressure | Stages | Cooling Type | Rotating Speed | Power |
| m³/min | Mpa | r/min | ||||
| SVF-15/100 | 15 | 10 | 1+2 | Air Cooling | 1150 | Diesel series |
| SVF-18/100 | 18 | 10 | 1+2 | 1150 | ||
| SVF-20/120 | 20 | 12 | 1+2 | 1150 | ||
| LGW-15/100 | 15 | 10 | 1+2 | 1150 | ||
| LGW-15/150 | 15 | 15 | 1+3 | 1150 | ||
| LGW-15/200 | 15 | 20 | 1+3 | 1150 | ||
| LGW-20/100 | 20 | 10 | 1+2 | 1150 | ||
| LGW-20/150 | 20 | 15 | 1+2 | 1150 | ||
| LGS-24/150 | 24 | 15 | 1+2 | 1150 | ||
| LGS-30/150 | 30 | 15 | 1+2 | 1150 | ||
| LGW-25/150 | 25 | 15 | 1+2 | Water cooling | 980 | Electric tandem |
| LGV-25/250 | 25 | 25 | 1+3 | 740 | Diesel series | |
| LGW-12/275 | 12 | 27.5 | 1+3 | 980 | Electric tandem | |
| LGV-15/85 | 15 | 8.5 | 1+2 | 980 | ||
| LGV-15/250 | 15 | 25 | 1+3 | Air Cooling | 740 | |
| LGV-15/350 | 15 | 35 | 1+4 | Water cooling | 740 | |
| LGV-15/400 | 15 | 40 | 1+4 | 740 | ||
| LGV-12.5/400 | 12.5 | 40 | 1+4 | 740 | ||
| LGV-15/100 | 15 | 10 | 1+2 | 740 |
Application Industry:
1. Suitable for oilfield pressure test, line sweeping, gas lift, well drilling and other projects.
2. Used in air tightness testing, air tightness inspection, pressure test, strength inspection, air tightness verification and other fields of various high-pressure vessels or pressure vessels such as gas cylinders, steel cylinders, valves, pipelines, pressure meters, high-pressure boilers, etc. .
3. On-board pressure testing, pressurization, pipeline pressure testing, line sweeping, gas lift and other projects in oil exploration.
4. Sand blasting and rust removal, parts dust removal, high pressure phosphorus removal, anti-corrosion engineering, well drilling operations, mountain quarrying.
5. For hydropower station turbine control and high-voltage power grid air short-circuit device for arc extinguishing.
6. Provide air source for large and medium-sized bottle blowing machines.
| Principle: | Reciprocating Compressor |
|---|---|
| Configuration: | Portable |
| Flow Rate: | ≤50 Nm³/Min |
| Pressure: | 0.1MPa-40MPa |
| Medium: | Air, Nitrogen, Carbon Dioxide, Natural Gas |
| Control: | PLC Automatic Control |
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What is the impact of humidity on compressed air quality?
Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:
1. Corrosion:
High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.
2. Contaminant Carryover:
Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.
3. Decreased Efficiency of Pneumatic Systems:
Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.
4. Product Contamination:
In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.
5. Increased Maintenance Requirements:
Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.
6. Adverse Effects on Instrumentation:
Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.
To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
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Can air compressors be used for inflating tires and sporting equipment?
Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:
1. Tire Inflation:
Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.
2. Sporting Equipment Inflation:
Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.
3. Air Tools for Inflation:
Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.
4. Adjustable Pressure:
One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.
5. Efficiency and Speed:
Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.
6. Portable Air Compressors:
For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.
It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.
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Are there portable air compressors available for home use?
Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:
1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.
2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.
3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.
4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.
5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.
6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.
7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.
When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.
Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.


editor by CX 2023-12-04
China manufacturer 90kw Air Cooling Silent Energy Saving Industrial Oil Free Dry Rotary Screw Two Stage Air Compressor air compressor CHINAMFG freight
Product Description
| Specification | ||||||||
| Model | Capacitiy (FAD)M3/min | Power kw | Noise level db | Weight KG | ||||
| 7bar | 8.5bar | 10bar | Water Cooling | Air Cooling | ||||
| OFA1 | OFA15 | 2.4 | 2.1 | 1.8 | 15 | 74 | 1,030 | |
| OFA22 | 3.7 | 3.2 | 2.7 | 22 | 74 | 1,070 | ||
| OFA30 | 4.8 | 4.4 | 4.0 | 30 | 74 | 1,300 | ||
| OFA37 | 5.9 | 5.3 | 5.0 | 37 | 74 | 1,355 | ||
| OFA45 | 7.0 | 6.5 | 6.1 | 45 | 74 | 1,390 | ||
| OFA2 | OFA55 | 9.2 | 7.9 | 7.3 | 55 | 74 | 1,860 | |
| OFA75 | 12.2 | 11.2 | 10.7 | 75 | 74 | 1,935 | ||
| OFA90 | 14.7 | 13.5 | 12.7 | 90 | 74 | 2,000 | ||
| OFA3 | OFA110 | 19.3 | 17.2 | 16.0 | 110 | 74 | 3,660 | |
| OFA132 | 22.9 | 19.5 | 18.8 | 132 | 74 | 3,700 | ||
| OFA4 | OFA160 | 29.4 | 25.7 | 23.8 | 160 | 74 | 5,300 | |
| OFA200 | 36.6 | 33.1 | 30.4 | 200 | 74 | 5,380 | ||
| OFA250 | 44.5 | 41.0 | 37.4 | 250 | 74 | 5,450 | ||
| OFA275 | 47.4 | 43.0 | 41.0 | 275 | 74 | 5,500 | ||
| OFA5 | OFA315 | 51.5 | 47.6 | 46.0 | 315 | 74 | 6,000 | |
| OFA355 | 56.3 | 52.6 | 50.4 | 355 | 74 | 9,050 | ||
| OFW1 | OFW37 | 5.9 | 5.3 | 5.0 | 37 | 74 | 1,355 | |
| OFW45 | 7.0 | 6.5 | 6.1 | 45 | 74 | 1,450 | ||
| OFW2 | OFW55 | 8.8 | 7.9 | 7.3 | 55 | 74 | 1,800 | |
| OFW75 | 11.9 | 11.2 | 10.7 | 75 | 74 | 1,850 | ||
| OFW90 | 14.3 | 13.5 | 12.7 | 90 | 74 | 1,925 | ||
| OFW3 | OFW110 | 19.1 | 17.1 | 16.0 | 110 | 74 | 2,635 | |
| OFW132 | 21.9 | 19.6 | 18.9 | 132 | 74 | 2,760 | ||
| OFW4 | OFW160 | 28.3 | 26.1 | 24.2 | 160 | 74 | 3,850 | |
| OFW200 | 36.1 | 33.1 | 30.4 | 200 | 74 | 4,000 | ||
| OFW250 | 43.1 | 41.0 | 37.0 | 250 | 74 | 4,100 | ||
| OFW275 | 46.4 | 43.0 | 41.0 | 275 | 74 | 4,300 | ||
| OFW5 | OFW315 | 50.9 | 47.6 | 46.0 | 315 | 74 | 6,550 | |
| OFW355 | 56.3 | 52.6 | 50.4 | 355 | 74 | 6,950 | ||
| OFW400 | 62.1 | 57.8 | 55.8 | 400 | 74 | 7,050 | ||
| OFW450 | 76.5 | 71.5 | 63.8 | 450 | 74 | 8,400 | ||
| OFW500 | 83.9 | 78.3 | 73.1 | 500 | 74 | 8,400 | ||
| OFW630 | 102.9 | 95.7 | 89.0 | 630 | 74 | 9,125 | ||
| OFW750 | 122.8 | 109.6 | 101.8 | 750 | 74 | 9,225 | ||
| Company Profile |
ZheJiang Napu compressor Technology Co.,LTD was established in 2012 based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors .
With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.
The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.
| Product Features |
1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted
| FAQ |
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO and certificate as clients’ demande.
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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What are the advantages of using rotary vane compressors?
Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:
1. Compact and Lightweight:
Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.
2. High Efficiency:
Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.
3. Quiet Operation:
Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.
4. Oil Lubrication:
Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.
5. Versatile Applications:
Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.
6. Easy Maintenance:
Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.
These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.
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How are air compressors employed in the mining industry?
Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:
1. Exploration and Drilling:
Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.
2. Ventilation and Air Quality Control:
Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.
3. Material Conveyance:
In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.
4. Dust Suppression:
Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.
5. Instrumentation and Control:
Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.
6. Explosive Applications:
In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.
7. Maintenance and Repair:
Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.
It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.
By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.
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How do you choose the right size of air compressor for your needs?
Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:
1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.
2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.
3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.
4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.
5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.
6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.
7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.
8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.
By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.


editor by CX 2023-11-07
China high quality Zw61ka-Tfp-522 Refrigeration Parts Air Cooling System Compressor air compressor price
Product Description
PRODUCT DIAPLAY
PRODUCT DATA
Product Feature
The axial and radial flexibility technology of the CHINAMFG vortex ensures the compressor
Excellent reliability and efficiency
Broad product capacity range
Lower oil circulation rate
Superior resistance to liquid hammer
Lower noise and vibration levels
Lower LCCP (Life Cycle Climate Performance)
Dual machine parallel and triple machine parallel, with excellent seasonal energy efficiencyCompared to (needs to be verified or confirmed by CHINAMFG TM)
| 380-420V; 50Hz, 3 Phase | |||||||||
| Typical Model | Nominal Power (HP) | Nominal Capacity | Input power (W) | Current (A) | Displ (cm3/rev) | Weight (kg) | Height (mm) | Noise (dBA) | |
| (W) | (Btu/h) | ||||||||
| ZR24K3E-TFD | 2 | 5,900 | 20,119 | 1,920 | 4.3 | 5.92 | 25.0 | 383 | 69.0 |
| ZR36K3E-TFD | 3 | 8,900 | 30,349 | 2,680 | 5.7 | 8.61 | 28.0 | 406 | 71.0 |
| ZR42K3E-TFD | 3.5 | 10,250 | 34,952 | 3,100 | 7.1 | 9.94 | 28.0 | 406 | 69.0 |
| ZR47K3E-TFD | 3.92 | 11,550 | 39,385 | 3,430 | 7.2 | 11.16 | 30.0 | 436 | 71.0 |
| ZR61KCE-TFD | 5.1 | 14,000 | 47,600 | 4,460 | 8.4 | 3.14 | 28.0 | 436 | 71.0 |
| ZR68KCE-TFD | 5.7 | 14,800 | 54,000 | 5,100 | 8.9 | 3.11 | 39.0 | 436 | 72.0 |
| ZR72KCE-TFD | 6 | 16,600 | 56,500 | 5,150 | 9.1 | 3.22 | 57.2 | 457 | 72.0 |
| ZR81KCE-TFD | 6.8 | 18,600 | 63,500 | 5,990 | 10.9 | 3.17 | 39.0 | 457 | 72.0 |
| ZR94KCE-TFD | 7.8 | 23,000 | 78,600 | 6,950 | 12.9 | 3.34 | 57.2 | 462 | 74.0 |
| ZR108KCE-TFD | 9 | 28,800 | 88,100 | 7,580 | 13.8 | 3.4 | 59.9 | 497 | 74.0 |
| ZR125KCE-TFD | 10.4 | 30,000 | 103,000 | 8,950 | 16 | 3.4 | 61.2 | 552 | 74.0 |
| ZR144KCE-TFD | 12 | 34,500 | 118,000 | 10,150 | 17.7 | 3.4 | 61.2 | 552 | 75.0 |
| ZR160KCE-TFD | 13.3 | 37,500 | 128,000 | 11,450 | 20.5 | 3.28 | 64.9 | 552 | 78.0 |
| ZR190KCE-TFD | 15.8 | 44,000 | 150,000 | 13,650 | 26.5 | 3.22 | 66.2 | 552 | 82.0 |
| ZR250KCE-TWD | 20.8 | 58,500 | 200,000 | 18,000 | 30.1 | 3.25 | 139.3 | 552 | 83.0 |
| ZR310KCE-TWD | 25.8 | 72,500 | 248,000 | 22,300 | 37.9 | 3.25 | 160.1 | 552 | 85.0 |
| ZR380KCE-TWD | 31.7 | 91,500 | 313,000 | 26,700 | 45.5 | 3.43 | 176.9 | 552 | 88.0 |
MAIN PRIDUCTS
OUR COMPANY
CERTIFICATE
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 12month |
| Installation Type: | Movable Type |
| Lubrication Style: | Oil-free |
| Cylinder Position: | Vertical |
| Performance: | Low Noice |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How are air compressors used in the food and beverage industry?
Air compressors play a vital role in the food and beverage industry, providing a reliable source of compressed air for various applications. Here are some common uses of air compressors in this industry:
1. Packaging and Filling:
Air compressors are extensively used in packaging and filling operations in the food and beverage industry. Compressed air is utilized to power pneumatic systems that control the movement and operation of packaging machinery, such as filling machines, capping machines, labeling equipment, and sealing devices. The precise and controlled delivery of compressed air ensures accurate and efficient packaging of products.
2. Cleaning and Sanitization:
Air compressors are employed for cleaning and sanitization purposes in food and beverage processing facilities. Compressed air is used to operate air-powered cleaning equipment, such as air blowguns, air-operated vacuum systems, and air knives. It helps remove debris, dust, and contaminants from production lines, equipment, and hard-to-reach areas. Additionally, compressed air is used for drying surfaces after cleaning and for applying sanitizing agents.
3. Cooling and Refrigeration:
In the food and beverage industry, air compressors are utilized in cooling and refrigeration systems. Compressed air is used to drive air compressors in refrigeration units, enabling the circulation of refrigerants and maintaining optimal temperatures for food storage and preservation. The controlled airflow provided by the compressors facilitates efficient cooling and refrigeration processes.
4. Aeration and Mixing:
Air compressors are used for aeration and mixing applications in the food and beverage industry. Compressed air is introduced into processes such as fermentation, dough mixing, and wastewater treatment. It helps in promoting oxygen transfer, enhancing microbial activity, and facilitating proper mixing of ingredients or substances, contributing to the desired quality and consistency of food and beverage products.
5. Pneumatic Conveying:
In food processing plants, air compressors are employed for pneumatic conveying systems. Compressed air is used to transport bulk materials such as grains, powders, and ingredients through pipes or tubes. It enables the gentle and efficient movement of materials without the need for mechanical conveyors, reducing the risk of product damage or contamination.
6. Quality Control and Testing:
Air compressors are utilized in quality control and testing processes within the food and beverage industry. Compressed air is used for leak testing of packaging materials, containers, and seals to ensure product integrity. It is also employed for spraying air or gases during sensory analysis and flavor testing.
7. Air Agitation:
In certain food and beverage production processes, air compressors are used for air agitation. Compressed air is introduced into tanks, mixing vessels, or fermentation tanks to create turbulence and promote mixing or chemical reactions. It aids in achieving consistent product quality and uniform distribution of ingredients or additives.
It is important to note that air compressors used in the food and beverage industry must meet strict hygiene and safety standards. They may require specific filtration systems, oil-free operation, and compliance with food safety regulations to prevent contamination or product spoilage.
By utilizing air compressors effectively, the food and beverage industry can benefit from improved productivity, enhanced product quality, and efficient processing operations.
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How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.


editor by CX 2023-10-21
China Hot selling Zb76kq-Tfd-550 Refrigeraion System Air Cooling Reciprocating Compressor 12v air compressor
Product Description
Compressor
Product Description
High quality product providers
The compressors applied in the air conditioning industry in diverse applications including split systems, rooftops, packaged units and chillers, scroll compressors are now the most used compression technology replacing reciprocating and screw compressors due to its undeniable superiority.
Several, fully CHINAMFG qualified, multiple compressor assemblies (tandem and trio) are available to be used in large capacity systems to deliver optimal comfort, low operating cost with higher seasonal efficiency.
1. High efficiency
2. Good reliability
3. Low noise, low vibration
4. Original and new
5. Refrigerant: R407
Features and Benefits
• CHINAMFG Scroll axial and radial compliance for superior reliability and efficiency
• Wide scroll line-up
• Low oil circulation rate
• Superior liquid handling capability
• Low sound and vibration level
• Low Total Equivalent Warming Impact
• CHINAMFG qualified tandem and trio configurations for superior seasonal efficiency
Application diagram
| Model NO. | Cooling Capacity (rating point 7.2) | nominal hp | Displ. cc/rev | nom current FLa | Weight (Kg) |
| ZR22K3PFJ522 | 5240 | 1.83 | 30.7 | 9.6 | 26 |
| ZR28K3PFJ522 | 6970 | 2.33 | 39.2 | 12.9 | 27.3 |
| ZR28K3EPFJ522 | 6970 | 2.33 | 39.2 | 12.9 | 27.3 |
| ZR34K3PFJ522 | 8260 | 2.83 | 46.1 | 13.6 | 29.5 |
| ZR34K3EPFJ522 | 8260 | 2.83 | 46.1 | 13.6 | 29.5 |
| ZR36K3PFJ522 | 8850 | 3 | 49.5 | 16.4 | 29.5 |
| ZR40K3PFJ522 | 9620 | 3.33 | 54.19 | 17.1 | 32 |
| ZR42K3PFJ522 | 10140 | 3.5 | 56.8 | 17.1 | 30 |
| ZR47K3PFJ522 | 11500 | 3.9 | 64.1 | 19.3 | 32.6 |
| ZR68KCPFJ522 | 16800 | 5.75 | 93 | 28.2 | 43.5 |
| ZR28K3TFD522 | 6970 | 2.33 | 39.2 | 5 | 26 |
| ZR28K3ETFD522 | 6970 | 2.33 | 39.2 | 5 | 26 |
| ZR36K3TFD522 | 8850 | 3 | 49.5 | 5.7 | 29.5 |
| ZR40K3TFD522 | 9260 | 3.33 | 51.2 | 6.4 | 32 |
| ZR47KCTFD522 | 11400 | 3.9 | 63.2 | 7.2 | 32.6 |
| ZR47KCETFD522 | 11400 | 3.9 | 63.2 | 7.2 | 32.6 |
| ZR48KCTFD522 | 11500 | 4.1 | 67.2 | 7.5 | 38 |
| ZR48KCETFD522 | 11500 | 4.1 | 67.2 | 7.5 | 38 |
| ZR54KCTFD522 | 13000 | 4.5 | 73.2 | 8.2 | 35.5 |
| ZR57KCTFD522 | 13660 | 4.75 | 76.9 | 8.2 | 36 |
| ZR57KCETFD522 | 13660 | 4.75 | 76 | 8.2 | 36 |
| ZR61KCTFD522 | 14700 | 5 | 82.4 | 10 | 35.9 |
Due to too many models not clearly listed, you can consult us separately for specifications
Production and Manufacturing
Professional and experienced compressor manufacturers, only to provide better compressors.
After strict inspection and screening.
Application
Company Profile
ZHangZhoug Damai Refrigeration Technology Co., Ltd is located in Shaoxin,ZHangZhoug.Damai is a company specializing in refrigeration and air conditioning equipment.Our main equipment is Cold room,Evaporator,Condenser,Condensing unit,Compressor,Cold room panel/door,Flake ice machine,Block ice machine and so on.We have more than 10 years of experience in the field of cold storage, with high-quality technology and professional product knowledge.We are able to provide consumers with professional and high-quality technical services.The quality of our products can be guaranteed.
Why choose our company ?
1.Because our company has CAC official .
2.We have a good one-year after-sales service.
3.We have over 20 years of sales experience.
4.We have our own factory.
5.We will try our best to provide a professional response as soon as possible.
Product advantages
1.Quite operation.
2.Seamless connection.
3.Easy installation
4.Beautiful and elegant placement of circuit devices.
5.Using the best equipment.
6.Not easily damaged.
FAQ
1: How long is the delivery time?
It takes within 1 month from receipt of the deposit to preparation of the goods.
2: How long is the quality guarantee period?
The warranty period is 1 year, and the after-sales service is available 24 hours.
3: What is your price?
Our FOB price is based on quantity, material and size you required.The more machines you order, the lower price we will give! Also CIF CNF price is the same.
4: What can you do for us?
All material/ size are available, also we can customize products as your requirements. Any questions, pls don’t hesitate to contact us.
After Sales Service
Pre-sales:
We provide assistance to our customers, provide valid information according to the requirements of our guests, answer questions, leave a professional impression, and lay the foundation for future sales.
Selling:
let our customers know more about our products, and enthusiastically answering questions for customers and providing customers with a pleasant buying experience.
After-sales:
After the products are sold, the professionals provide training services, check and maintain the products regularly, if there is problems for the quality,Will solve it for customers in time.
If you are interested in our products, please contact us as soon as possible.
| After-sales Service: | 1year |
|---|---|
| Warranty: | 1year |
| Lubrication Style: | Lubricated |
| Samples: |
US$ 450/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the energy-saving technologies available for air compressors?
There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:
1. Variable Speed Drive (VSD) Compressors:
VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.
2. Energy-Efficient Motors:
The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.
3. Heat Recovery Systems:
Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.
4. Air Receiver Tanks:
Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.
5. System Control and Automation:
Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.
6. Leak Detection and Repair:
Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.
7. System Optimization and Maintenance:
Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.
By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.
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What safety precautions should be taken when working with compressed air?
Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:
1. Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.
2. Compressed Air Storage:
Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.
3. Pressure Regulation:
Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.
4. Air Hose Inspection:
Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.
5. Air Blowguns:
Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.
6. Air Tool Safety:
Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.
7. Air Compressor Maintenance:
Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.
8. Training and Education:
Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.
9. Lockout/Tagout:
When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.
10. Proper Ventilation:
Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.
By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.
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What are the different types of air compressors?
There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:
1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.
2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.
3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.
4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.
5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.
6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.
These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.


editor by CX 2023-10-20