Product Description
Product Description
Portable scuba diving air compressor fire/ship/air tightness test 300bar breathing air compressor
Rocky GDR series high-pressure breathing compressors are sturdy, durable, small and flexible, and can be easily put into the tail compartment of a car. They are deeply loved by personnel in miniature fire stations, chemical industry, labor defense, and personal divers. Wide range of applications: sports diving, firefighting, marine, medical engineering, shooting, racing, etc.
Model:GDR-150P
Charging rate:150L/min -5.2cfm
Filling cylinder time:6.0L cylinder,0-330bar/14min
Working pressure:Dive 225 Bar,Firefighting 330 Bar
Speed:2450 Rpm
Driven by:HONDA ,4 strokes gasoline engine
Power:4.1kw
Dimensions(L*W*H):790*420*420mm
Weight:47 Kg
Compression stage:3
Lubricating type:Splash lubrication
Amount of lubricating oil:0.36L
Opertating temperature:5- 45 ºC
Oil/mosture separator:After last stage
Filtration:Filter cartridge activated carbon and molecular sieve
Suction filter:2 CHINAMFG paper – 25 CHINAMFG polyester
Application industry
It is mainly used for air tightness inspection of natural gas cylinders, pressure reducing regulators, mixers (or natural gas injection devices) in compressed natural gas (CNG) automotive fuel systems, and air tightness of various high-pressure gas cylinders, valves and pipelines. It can be widely used in any field that requires large displacement and high pressure breathing air.
Packaging & Shipping
Company Profile
Certifications
Payment and delivery
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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| After-sales Service: | Online Support |
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| Warranty: | 24months |
| Lubrication Style: | Oil-free |
| Customization: |
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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 Gas Air Compressors Be Used in Cold Weather Conditions?
Gas air compressors are generally designed to operate in a wide range of environmental conditions, including cold weather. However, there are certain considerations and precautions to keep in mind when using gas air compressors in cold weather conditions. Here’s a detailed explanation:
1. Cold Start-Up:
In cold weather, starting a gas air compressor can be more challenging due to the low temperatures affecting the engine’s performance. It is important to follow the manufacturer’s recommendations for cold start procedures, which may include preheating the engine, using a cold weather starting aid, or ensuring the proper fuel mixture. These measures help facilitate smooth start-up and prevent potential damage to the engine.
2. Fuel Type:
Consider the type of fuel used in the gas air compressor. Some fuels, such as gasoline, can be more susceptible to cold weather issues like vapor lock or fuel line freezing. In extremely cold conditions, it may be necessary to use a fuel additive or switch to a fuel type that is better suited for cold weather operation, such as winter-grade gasoline or propane.
3. Lubrication:
Cold temperatures can affect the viscosity of the oil used in the compressor’s engine. It is important to use the recommended oil grade suitable for cold weather conditions. Thicker oil can become sluggish and impede proper lubrication, while oil that is too thin may not provide adequate protection. Consult the manufacturer’s guidelines for the appropriate oil viscosity range for cold weather operation.
4. Moisture Management:
In cold weather, moisture can condense more readily in the compressed air system. It is crucial to properly drain the moisture from the compressor tank and ensure the air lines are free from any accumulated moisture. Failure to manage moisture can lead to corrosion, freezing of air lines, and decreased performance.
5. Protection from Freezing:
In extremely cold conditions, it is important to protect the gas air compressor from freezing. This may involve using insulated covers or enclosures, providing heat sources in the compressor area, or storing the compressor in a temperature-controlled environment when not in use. Taking measures to prevent freezing helps maintain proper operation and prevents potential damage to the compressor components.
6. Monitoring Performance:
Regularly monitor the performance of the gas air compressor in cold weather conditions. Pay attention to any changes in operation, such as reduced air pressure, increased noise, or difficulties in starting. Promptly address any issues and consult the manufacturer or a qualified technician if necessary.
By considering these factors and taking appropriate precautions, gas air compressors can be effectively used in cold weather conditions. However, it is important to consult the specific guidelines provided by the manufacturer for your compressor model, as they may have additional recommendations or specifications for cold weather operation.
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Can Gas Air Compressors Be Used for Pneumatic Tools?
Yes, gas air compressors can be used for pneumatic tools. Here’s a detailed explanation:
1. Versatile Power Source:
Gas air compressors, powered by gasoline or diesel engines, provide a portable and versatile power source for operating pneumatic tools. They eliminate the need for electrical power supply, making them suitable for remote locations or construction sites where electricity may not be readily available.
2. High Power Output:
Gas air compressors typically offer higher power output compared to electric compressors of similar size. This high power output enables gas compressors to deliver the necessary air pressure and volume required by pneumatic tools, ensuring optimal tool performance.
3. Mobility and Portability:
Gas air compressors are often designed with mobility and portability in mind. They are compact and equipped with wheels or handles, allowing for easy transportation to different job sites. This mobility is advantageous when using pneumatic tools in various locations or when working in confined spaces.
4. Continuous Operation:
Gas air compressors can provide continuous air supply for pneumatic tools without the need for frequent pauses or recharging. As long as there is an adequate fuel supply, gas compressors can operate for extended periods, allowing uninterrupted use of pneumatic tools for tasks such as drilling, nailing, sanding, or painting.
5. Suitable for High-Demand Applications:
Pneumatic tools used in heavy-duty applications often require a robust air supply to meet their performance requirements. Gas air compressors can generate higher air flow rates and maintain higher operating pressures, making them suitable for high-demand pneumatic tools like jackhammers, impact wrenches, or sandblasters.
6. Flexibility in Compressor Size:
Gas air compressors are available in various sizes and capacities, allowing users to choose the compressor that best matches the air demands of their pneumatic tools. From small portable compressors for light-duty tasks to larger industrial-grade compressors for heavy-duty applications, there is a wide range of options to suit different tool requirements.
7. Reduced Dependency on Electrical Infrastructure:
Using gas air compressors for pneumatic tools reduces reliance on electrical infrastructure. In situations where the electrical power supply is limited, unreliable, or expensive, gas compressors offer a viable alternative, ensuring consistent tool performance without concerns about power availability.
It’s important to note that gas air compressors emit exhaust gases during operation, so proper ventilation is necessary when using them in enclosed spaces to ensure the safety of workers.
In summary, gas air compressors can effectively power pneumatic tools, offering mobility, high power output, continuous operation, and suitability for various applications. They provide a reliable and portable solution for utilizing pneumatic tools in locations where electrical power supply may be limited or unavailable.
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How Does a Gas Air Compressor Work?
A gas air compressor works by utilizing a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air can then be used for various applications. Here’s a detailed explanation of how a gas air compressor operates:
1. Gas Engine:
A gas air compressor is equipped with a gas engine as its power source. The gas engine is typically fueled by gasoline, diesel, natural gas, or propane. When the engine is started, the fuel is combusted within the engine’s cylinders, generating mechanical energy in the form of rotational motion.
2. Compressor Pump:
The gas engine drives the compressor pump through a mechanical linkage, such as a belt or direct coupling. The compressor pump is responsible for drawing in atmospheric air and compressing it to a higher pressure. There are different types of compressor pumps used in gas air compressors, including reciprocating, rotary screw, or centrifugal, each with its own operating principles.
3. Intake Stroke:
In a reciprocating compressor pump, the intake stroke begins when the piston moves downward within the cylinder. This creates a vacuum, causing the inlet valve to open and atmospheric air to be drawn into the cylinder. In rotary screw or centrifugal compressors, air is continuously drawn in through the intake port as the compressor operates.
4. Compression Stroke:
During the compression stroke in a reciprocating compressor, the piston moves upward, reducing the volume within the cylinder. This compression action causes the air to be compressed and its pressure to increase. In rotary screw compressors, two interlocking screws rotate, trapping and compressing the air between them. In centrifugal compressors, air is accelerated and compressed by high-speed rotating impellers.
5. Discharge Stroke:
Once the air is compressed, the discharge stroke begins in reciprocating compressors. The piston moves upward, further reducing the volume and forcing the compressed air out of the cylinder through the discharge valve. In rotary screw compressors, the compressed air is discharged through an outlet port as the interlocking screws continue to rotate. In centrifugal compressors, the high-pressure air is discharged from the impeller into the surrounding volute casing.
6. Pressure Regulation:
Gas air compressors often include pressure regulation mechanisms to control the output pressure of the compressed air. This can be achieved through pressure switches, regulators, or control systems that adjust the compressor’s operation based on the desired pressure setting. These mechanisms help maintain a consistent and controlled supply of compressed air for the specific application requirements.
7. Storage and Application:
The compressed air produced by the gas air compressor is typically stored in a receiver tank or used directly for applications. The receiver tank helps stabilize the pressure and provides a reservoir of compressed air for immediate use. From the receiver tank, the compressed air can be distributed through pipelines to pneumatic tools, machinery, or other devices that require the compressed air for operation.
Overall, a gas air compressor operates by using a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air is then regulated and used for various applications, providing a reliable source of power for pneumatic tools, machinery, and other equipment.
editor by CX 2024-05-03