China factory Lubricated One Year CHINAMFG Naked Package (Shrinkable P/P Film) Rotary Screw Air Compressor air compressor oil

Product Description

Model                                          DS185S-8F
Compressor Air
delivery
m3/min 5.18
cu.ft/min  185
Discharge pressure bar                                               8
psig 116
Oil gas tank L 90
Diesel
Engine
Manufacture&Model 4D20
Cylinder Number 4
Displacement(L) 2
Rotation speed(Rmp) Operating 2600
Idle speed(r/min) 1700
Rated power(KW) 52
Lubricating Oil capacity(L) 6.5
Coolant Capacity(L) 7.5
Battery 6-QW-80
Others Dimension L(mm) 2130
W(mm) 1040
H(mm) 1500
Weight(kg) 1170

Standard Configuration

Suction valve                                    Lubricating oil filter                           Oil thermostatic valve                                             50°C radiator
 Solenoid valve                                Vertical air/oil tank                                Pressure regular valve                              Air/oil separator                     

  Lubricating oil radiator       Safety valve                                                   Emergency stop button                                 Air filter of engine
 Minimum pressure valve       Lockable battery isolator switch                                                                                                                                                                 
 Air filter of compressor        Vent valve                                                       Powder coated canopy                                           Shuttle valve    
 24V sealed for life maintenance free battery                                Fuel tank for 8 hours running

 

General Features

 

Structure diagram

Feature&Benefit
Feature   Benefit
Pressure selection and control Easy pressure setting
Flow selection and control The working pressure and airflow rate can be adjusted according to the size of air consumption without wasting any diesel
The twin-screw rotor is directly connected with the diesel engine by a highly flexible coupling Outputting more air with less energy consumption, featuring high reliability, longer service life, and low maintenance cost.
The two-stage air filtration system The total efficiency of air filtration reaches 99.8% ensuring the compressor to not be infringed by dust and dirt particles and longer service life of the engine
High-temperature resistance design Able to run for a long time under extreme cold or hot temperature from -20ºC to 50ºC
One-button start, clear operational parameters Operators don’t have to go through long-term professional training, and unattended operations can be achieved.

 

Application areas

 

  Application Nominal Working Pressure(bar) Free Air Delivery Range(m3/min)
General Construction
(building sites, road maintenance, bridges, tunnels, concrete pumping and shotcreting)
Hand-held pneumatic breakers 7~14 5~13
Jack hammers
Air guns
Shotcrete equipment
Pneumatic wrenches
Nut runners
Ground Engineering Drilling 
(basement and foundation excavation for apartment blocks and other buildings)
Pneumatic rock drills 7~17 12~28
Block cutters
Dewatering pumps.
Hand-held pneumatic breakers
Utility, CHINAMFG Blasting
(shipyards, steel construction and large renovation jobs)
Sandblasting
(remove rust, scale, paint)
7~10 10~22
Blast Hole Drilling
(aggregate production for construction stabilization, cement production in limestone quarries and open pit mining)
Rock drills 14~21 12~29
Dewatering pumps
Hand-held breakers
High Pressure Drilling
(drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications)
Water well drilling 20~35 18~40
 DTH drilling
Rotary drilling

Selection table

Small Series
Small Series FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS55S-7 1.55 55  7 101.5  D902 2925 1650 1200 1200 600
MDS80S-7 2.24 80  7 101.5 D1005 2925 1650 1200 1200 630
MDS100S-7 2.8 100  7 101.5 V1505 2925 1650 1200 1200 640
MDS125S-7 3.5 125  7 101.5 V1505 3065 1800 1500 1350 810
MDS130S-8 3.7 132  8 116 JE493 3065 1800 1500 1350 810
MDS185S-7 5.18 185  7 101.5 JE493 3200 1900 1740 1660 950
MDS185S-10 5.18 185  10 145 JE493 3050 1900 1740 1660 950

Middle Series  (Low&Medium pressure)
Middle Series  (Low&Medium pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS265S-7 7.42 265  7 101.5 JE493 3629 2200 1700 1470 1200
MDS300S-14 8.4 300  14 203 4BTA3.9 3850 2600 1810 2378 1800
MDS350S-10 9.9 354  10 145 4BT3.9 3850 2600 1810 2378 1800
MDS390S-7 11 393  7 101.5 4BTA3.9 3850 2600 1810 2378 1800
MDS390S-13 11 393  13 188.5 QSB4.5 3850 3100 1810 2378 1980
MDS429S-7 12 429  7 101.5 4BTA3.9 3850 2600 1810 2378 1800
MDS429S-14 12 429  14 203 QSB4.5 3850 3100 1810 2378 1980
MDS500S-14 14.1 504  14 203 6BTAA5.9 4550 3600 1810 2378 3100
MDS690S-14 19.3 689  14 203 QSB6.7 4950 3300 2170 2620 3500
MDS720S-10 20.2 721  10 145 QSB6.7 4950 3300 2170 2620 3500
MDS750S-12 21 750  12 174 QSB6.7 4950 3300 2170 2620 3500
MDS786S-10.3 22 786  10.3 149.35 QSB6.7 4950 3300 2170 2620 3500
MDS820S-14 23 821  14 203 6LTAA8.9 5300 4200 2170 2630 5200
MDS850S-8.6 24 857  8.6 124.7 6CTAA8.3 5300 4200 2170 2630 4600
MDS900S-7.1 25.3 904  7.1 102.95 6CTA8.3 5300 4200 2170 2630 4600

Middle Series (Medium&High pressure)
Middle Series (Medium&High pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS460S-17 13 464  17 246.5 6BTAA5.9 4600 3500 1800 2230 3500
MDS620S-17 17.4 621  17 246.5 6LTAA8.9 5300 4200 2170 2630 5200
MDS650S-19 18.2 650  19 275.5 QSL8.9 5300 4200 2170 2630 5200
MDS690S-20.4 19.4 693  20.4 295.8 6LTAA8.9 5300 4200 2170 2630 5200
MDS770S-21 21.6 771  21 304.5 6LTAA8.9 5300 4200 2100 2630 5280
MDS830S-18 23.2 830  18 261 6LTAA8.9 5300 4200 2100 2630 5280
MDS820S-25 23 821  25 362.5 QSM11 5300 4200 2100 2630 5600
MDS860S-20.4/17.3 24.2 864  20.4 295.8 QSL8.9 5300 4200 2100 2630 5280
24.2 864  17.3 250.85
MDS875S-23 24.5 875  23 333.5 QSM11 5300 4200 2100 2630 5600

Large Series    (Low&Medium pressure)
Large Series    (Low&Medium pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS900S-14.2/10.5 25.1 896  14.2 205.9 6LTAA8.9 5300 4200 2100 2630 5280
25.2 900  10.5 152.25
MDS910S-14 25.6 914  14 203 6LTAA8.9 5300 4200 2100 2630 5280
MDS970S-10 27.2 971  10 145 QSL8.9 5300 4200 2100 2630 5280
MDS1011S-8.6 28.3 1011  8.6 124.7 QSL8.9 5300 4200 2100 2630 5280
MDS1054S-12 29.5 1054  12 174 QSL8.9 5300 4200 2100 2630 5280
MDS1250S-8.6 35 1250  8.6 124.7 QSL8.9 5300 4200 2100 2630 5280
MDS1400S-13 40 1400 13 188.5 QSZ13 6200 4700 2100 2630 5800
MDS1600S-10.3 45 1600 10.3 149.35 QSZ13 6200 4700 2100 2630 5800
MDS1785S-13 50 1785 13 188.5 QSZ13 6200 4700 2100 2630 5800
MDS2140S-10 60 2142 10 145 QSZ14 7400 5400 2230 2630 8400

Large Series    (Medium&High pressure)
Large Series    (Medium&High pressure) FAD Pressure Engine model Dimensional Date(mm)
m3/min cfm Bar psig length width height weight(kg)
model with tow bar without tow bar
MDS900S-20 25.3 904  20 290 QSM11 5300 4200 2100 2630 5800
MDS960S-18 26.9 961  18 261 QSM11 5300 4200 2100 2630 5800
MDS1000S-35 28.2 1000 35 507.5 QSZ13 6200 4700 2100 2630 7200
MDS1089S-25 30.5 1089  25 362.5 QSZ13 6200 4700 2100 2630 7200
MDS1200S-24 33.6 1200  24 348 QSZ13 6200 4700 2100 2630 7200
MDS1250S-21 35 1250  21 304.5 QSZ13 6200 4700 2100 2630 7200
MDS1250S-25 35 1250  25 362.5 QSZ13 6200 4700 2100 2630 7200
MDS1250S-30 35 1250 30 435 WP17G770E302 6200 4700 2100 2630 7800
MDS1250S-35 35 1250 35 507.5 WP17G770E302 6200 4700 2100 2630 7800
MDS1250S-40 35 1250 40 580 WP17G770E302 6200 4700 2100 2630 7800
MDS1428S-18 40 1428 18 261 QSZ13 6200 4700 2100 2630 7200
MDS1428S-35 40 1428 35 507.5 TAD1643VE-B 7400 5500 2180 2650 10000
MDS1428S-40 40 1428 40 580 QSK19 7400 5500 2180 2650 10000
MDS1600S-25 44.8 1600 25 362.5 WP17G770E302 7400 5500 2180 2650 10000

GTL Air compressor test system

 

After-sales Service: Online
Warranty: One Year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: Diesel Engine
Cylinder Position: Vertical
Customization:
Available

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air compressor

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.

air compressor

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.

air compressor

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.

China factory Lubricated One Year CHINAMFG Naked Package (Shrinkable P/P Film) Rotary Screw Air Compressor   air compressor oilChina factory Lubricated One Year CHINAMFG Naked Package (Shrinkable P/P Film) Rotary Screw Air Compressor   air compressor oil
editor by CX 2023-11-07