Product Description
| Model | MDS390S7C | |||||||||
| Compressor | Air delivery |
m3/min | 11 | |||||||
| cu.ft/min | 390 | |||||||||
| Discharge pressure | bar | 7 | ||||||||
| psig | 101 | |||||||||
| Oil gas tank | L | 98 | ||||||||
| Diesel Engine |
Manufacture&Model | 4BTA3.9-C130 | ||||||||
| Cylinder Number | 4 | |||||||||
| Displacement(L) | 3.9 | |||||||||
| Rotation speed(Rmp) | Operating | 2000 | ||||||||
| Idle speed(r/min) | 1400 | |||||||||
| Rated power(KW) | 96 | |||||||||
| Lubricating Oil capacity(L) | 47 | |||||||||
| Coolant Capacity(L) | 22 | |||||||||
| Battery | 6-QW-342 | |||||||||
| Others | Dimension | L(mm) | 3590 | |||||||
| W(mm) | 2180 | |||||||||
| H(mm) | 2218 | |||||||||
| Weight(kg) | 2300 | |||||||||
| Standard Configuration |
. Suction valve Lubricating oil filter Oil thermostatic valve 55°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 |
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| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| 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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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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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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What are the key components of an air compressor system?
An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:
1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.
2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.
3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.
4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.
6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.
7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.
8. Regulator: The 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, ensuring a consistent and safe supply of compressed air.
9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.
10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.
These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.


editor by CX 2023-10-24