Product Description
OFAC oil-free screw air compressor used Japanese Mitsui’s original technology, who is the only maintenance service provider in China.
| TECHNICAL DATA | 
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| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Size | Weight (kgs) | Lubricating Water(L) | Filter Element (B)-(Z) | Dimension LxWxH (mm) | |
| OF-7.5F | 7.5kw | 10hp | 8 | 1.0 | 60 | RP 3/4 | 400 | 22 | (25cm) 1 | 1000*720*1050 | 
| OF-11F | 11kw | 15hp | 8 | 1.6 | 63 | 460 | 1156*845*1250 | |||
| OF-15F | 15kw | 20hp | 8 | 2.5 | 65 | RP 1 | 620 | 28 | (50cm) 1 | 1306*945*1260 | 
| OF-18F | 18.5kw | 25hp | 8 | 3.0 | 67 | 750 | 33 | 1520*1060*1390 | ||
| OF-22F | 22kw | 30hp | 8 | 3.6 | 68 | 840 | 33 | 1520*1060*1390 | ||
| OF-30F | 30kw | 40hp | 8 | 5.0 | 69 | RP 11/4 | 1050 | 66 | (25cm) 5 | 1760*1160*1490 | 
| OF-37F | 37kw | 50hp | 8 | 6.2 | 71 | 1100 | 1760*1160*1490 | |||
| OF-45S | 45kw | 60hp | 8 | 7.3 | 74 | RP 11/2 | 1050 | 88 | 1760*1160*1490 | |
| OF-45F | 45kw | 60hp | 8 | 7.3 | 74 | 1200 | 1760*1160*1490 | |||
| OF-55S | 55kw | 75hp | 8 | 10 | 74 | RP 2 | 1250 | 110 | (50cm) 5 | 1900*1250*1361 | 
| OF-55F | 55kw | 75hp | 8 | 10 | 74 | 2200 | (50cm) 7 | 2350*1250*1880 | ||
| OF-75S | 75kw | 100hp | 8 | 13 | 75 | 1650 | (50cm) 5 | 1900*1250*1361 | ||
| OF-75F | 75kw | 100hp | 8 | 13 | 75 | 2500 | (50cm) 7 | 2550*1620*1880 | ||
| OF-90S | 90kw | 125hp | 8 | 15 | 76 | 2050 | (50cm) 5 | 1900*1250*1361 | ||
| OF-90F | 90kw | 125hp | 8 | 15 | 76 | 2650 | (50cm) 7 | 2550*1620*1880 | ||
| OF-110S | 110kw | 150hp | 8 | 20 | 78 | DN 65 | 2550 | 130 | (50cm) 12 | 2200*1600*1735 | 
| OF-110F | 110kw | 150hp | 8 | 20 | 78 | 3500 | 130 | 3000*1700*2250 | ||
| OF-132S | 132kw | 175hp | 8 | 23 | 80 | 2700 | 130 | 2200*1600*2250 | ||
| OF-160S | 160kw | 220hp | 8 | 26 | 82 | 2900 | 165 | 2200*1600*2250 | ||
| OF-185S | 185kw | 250hp | 8 | 30 | 83 | DN 100 | 3300 | 180 | (50cm) 22 | 2860*1800*1945 | 
| OF-200S | 200kw | 270hp | 8 | 33 | 83 | 3500 | 2860*1800*1945 | |||
| OF-220S | 220kw | 300hp | 8 | 36 | 85 | 4500 | 2860*2000*2300 | |||
| OF-250S | 250kw | 340hp | 8 | 40 | 85 | 4700 | 2860*2000*2300 | |||
| OF-315S | 315kw | 480hp | 8 | 50 | 90 | 5000 | 2860*2000*2300 | |||
F– air cooling method S– water cooling method
                            
The brand “OFAC, OFC” specializes in the R&D, manufacturing, sales and service of compressors, oil-free compressors and air end, special gas compressors, various air compressors and post-processing equipment, providing customers with High-quality, environmentally friendly and efficient air system solutions and fast and stable technical services. 
FAQ
Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.
Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.
Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.
Q4: Can you use our brand?
A4: Yes, OEM is available.
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 30-45 days.
Q6: How Many Staff Are There In your Factory?
A6: About 100.
 
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.
Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang ,  China.
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| After-sales Service: | Online Support | 
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| Warranty: | 2 Years | 
| Lubrication Style: | Oil-free | 
| Customization: | 
 
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| 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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What Fuels Are Commonly Used in Gas Air Compressors?
Gas air compressors can be powered by various fuels depending on the specific model and design. The choice of fuel depends on factors such as availability, cost, convenience, and environmental considerations. Here’s a detailed explanation of the fuels commonly used in gas air compressors:
1. Gasoline:
Gasoline is a widely used fuel in gas air compressors, particularly in portable models. Gasoline-powered compressors are popular due to the widespread availability of gasoline and the convenience of refueling. Gasoline engines are generally easy to start, and gasoline is relatively affordable in many regions. However, gasoline-powered compressors may emit more exhaust emissions compared to some other fuel options.
2. Diesel:
Diesel fuel is another common choice for gas air compressors, especially in larger industrial models. Diesel engines are known for their efficiency and durability, making them suitable for heavy-duty applications. Diesel fuel is often more cost-effective than gasoline, and diesel-powered compressors typically offer better fuel efficiency and longer runtime. Diesel compressors are commonly used in construction sites, mining operations, and other industrial settings.
3. Natural Gas:
Natural gas is a clean-burning fuel option for gas air compressors. It is a popular choice in areas where natural gas infrastructure is readily available. Natural gas compressors are often used in natural gas processing plants, pipeline operations, and other applications where natural gas is abundant. Natural gas-powered compressors offer lower emissions compared to gasoline or diesel, making them environmentally friendly.
4. Propane:
Propane, also known as liquefied petroleum gas (LPG), is commonly used as a fuel in gas air compressors. Propane-powered compressors are popular in construction, agriculture, and other industries where propane is used for various applications. Propane is stored in portable tanks, making it convenient for use in portable compressors. Propane-powered compressors are known for their clean combustion, low emissions, and easy availability.
5. Biogas:
In specific applications, gas air compressors can be fueled by biogas, which is produced from the decomposition of organic matter such as agricultural waste, food waste, or wastewater. Biogas compressors are used in biogas production facilities, landfills, and other settings where biogas is generated and utilized as a renewable energy source. The use of biogas as a fuel in compressors contributes to sustainability and reduces dependence on fossil fuels.
It’s important to note that the availability and suitability of these fuel options may vary depending on the region, infrastructure, and specific application requirements. When selecting a gas air compressor, it’s crucial to consider the compatibility of the compressor with the available fuel sources and to follow the manufacturer’s guidelines regarding fuel selection, storage, and safety precautions.


editor by CX 2024-02-03
China wholesaler Bk Series High Pressure 7.5kw General Industry Stationary Electric Screw Air Compressor supplier
Product Description
BK series new screw air compressor new-generation low-consumption and high-efficiency motor;Large starting torque, insulation class F, protection class IP54;SKF bearings, low noise and long life;With a refueling device, it can be refueled without stopping.
Product Description
Yin-Yang Rotor Compression System
Better sealing, smaller leakage channel will produce high-efficiency roller sliding film to reduce heat of compression, and gas production is improved by 10%-15%
Built-in oil and gas separation design
Adopt a built-in oil separation setting to ensure the oil and gas separation effect and reduce fuel consumption
·High filtration level and low flow resistance
·Good noise reduction and mute effect
· Oil and gas separation, high-temperature resistance, high-pressure resistance – reduce the oil content of the exhaust
·Clean exhaust to ensure clean gas
Timely Smart Control Panel
·Using a user-friendly interface to prompt operation, clear at a glance, real-time monitoring of information, providing important information alarm, storage, and query functions
Precision oil filter
·Use high-density filter paper to filter oil
· Completely filter out lubricating oil
Low-consumption and high-efficiency motor, large starting torque
·Insulation class F, protection class IP23.
·Built-in refueling device, can refuel without stopping.
Cooling copper pipe
The radiator made of high-quality copper tubes can make the heat generated by the condensation of the machine quickly Dissipate, maintain the internal temperature
oil pipeline
·Excellent material
·Stable oil delivery without clogging
The system adopts the step-less adjustment of the displacement of 0-100. When the air consumption is reduced, the exhaust volume is also reduced, and the current of the motor is also reduced at the same time; when the air is not used, the air compressor runs empty, and the air compressor is automatically stopped for a long time. When the gas consumption increases, resume the heavy vehicle. Excellent energy-saving effect.
good environmental adaptability
The extraordinary cooling system design is especially suitable for Asia’s high temperature and high humidity environments. The excellent vibration isolation technology and noise reduction measures make the installation of CHINAMFG screw air compressors not require special foundations. As long as a small space for ventilation and maintenance is left, your compressor can be installed well.
Design features of screw rotor profile:
1. Fully realize “surface-to-surface” meshing, thereby helping to form a hydrodynamic lubricating film, reducing lateral leakage through the contact belt, improving compressor efficiency; and improving rotor processing and inspection performance.
2. Adopt the design idea of “large rotor, large bearing, low speed”, the speed is 3050 lower than other brands, which can reduce noise and vibration, reduce exhaust temperature, improve rotor rigidity, prolong service life, and reduce the carbonization of impurities and oil animal sensitivity.
3. The power range is 4355KW, of which 18.5250KW are directly connected without a gearbox, 200KW and 250KW are directly connected with 4-pole motors, and the speed is as low as
Product Parameters
| 
 Model  | 
 Working Pressure  | 
 Capacity  | 
 Motor Power  | 
 Connector  | 
 Weight  | 
 Noise  | 
 Dimension  | 
| 
 Bar  | 
 m³/min  | 
 kw  | 
 kg  | 
 dB(A)  | 
 mm  | 
||
| 
 BMVF7.5G  | 
 0.65-1.0  | 
 1.0-1.25  | 
 7.5  | 
 G3/4  | 
 200  | 
 72  | 
 800*510*800  | 
| BMVF11G | 
 0.65-1.0  | 
 1.5-1.85  | 
 11  | 
 G1 
  | 
 260  | 
 73  | 
 1000*670*1090  | 
| BMVF15G | 0.65-1.0 | 
 2.05-2.35  | 
 15  | 
 280  | 
 73  | 
 1000*670*1090  | 
|
| 
 BMVF22G  | 
0.65-1.0 | 
 2.95-3.95  | 
 22  | 
 390  | 
 74  | 
 1200*800*1120  | 
|
| BMVF37G | 0.65-1.0 | 
 5.05-6.35  | 
 37  | 
 600  | 
 76  | 
 1340*850*1300  | 
|
| 
 BMVF45G  | 
0.65-1.0 | 
 6.45-8.2  | 
 45  | 
 800  | 
 78  | 
 1480*1030*1365  | 
|
| BMVF55G | 0.65-1.0 | 
 8.2-9.85  | 
 55  | 
 810  | 
 80  | 
||
| BMVF75 | 0.65-1.0 | 
 10.5-13.1  | 
 75  | 
 G2  | 
 1280  | 
 81  | 
 1800*1190*1710  | 
| BMVF90 | 0.65-1.0 | 
 12.5-15.5  | 
 90  | 
 1300  | 
 81  | 
||
| BMVF110 | 0.65-0.8 | 
 22  | 
 110  | 
 DN65  | 
 1850  | 
 82  | 
 2700*1230*1730  | 
| BMVF132 | 0.65-0.8 | 
 24  | 
 132  | 
 2270  | 
 82  | 
| Model | Working Pressure | Displacement | Motor Power | Exhaust interface | Weight | Noise | Dimension | 
| Bar | m3/min | kw | kg | dB(A) | mm | ||
| BK7.5-8G | 8 | 1.2 | 7.5 | G1 | 200 | 70 | 800*620*800 | 
| BK7.5-10 | 10 | 1 | 7.5 | G3/4 | 200 | 72 | 720*700*1000 | 
| BK7.5-13 | 13 | 0.8 | 7.5 | G3/4 | 200 | 72 | 720*700*1000 | 
| BK11-8G | 8 | 1.7 | 11 | G1 | 300 | 72 | 1000*670*1090 | 
| BK11-10 | 10 | 1.5 | 11 | G1 | 290 | 72 | 700*670*1250 | 
| BK11-13 | 13 | 1.2 | 11 | G1 | 290 | 72 | 700*670*1250 | 
| BK15-8G | 8 | 2.4 | 15 | G1 | 280 | 73 | 1000*670*1090 | 
| BK15-10 | 10 | 2.2 | 15 | G1 | 290 | 73 | 700*670*1250 | 
| BK15-13 | 13 | 1.7 | 15 | G1 | 290 | 73 | 700*670*1250 | 
| BK18-8 | 8 | 3 | 18.5 | G1 | 500 | 74 | 1080*880*1235 | 
| BK18-10 | 10 | 2.7 | 18.5 | G1 | 500 | 74 | 1080*880*1235 | 
| BK18-13 | 13 | 2.3 | 18.5 | G1 | 500 | 74 | 1080*880*1235 | 
| BK22-8ZG | 8 | 3.6 | 22 | G1 | 380 | 74 | 1200*800*1100 | 
| BK22-10 | 10 | 3.2 | 22 | G1 | 540 | 74 | 1080*880*1235 | 
| BK22-13 | 13 | 2.7 | 22 | G1 | 540 | 74 | 1080*880*1235 | 
| BK30-8 | 8 | 5 | 30 | G1 1/2 | 650 | 75 | 1120*930*1290 | 
| BK30-10 | 10 | 4.4 | 30 | G1 1/2 | 650 | 75 | 1120*930*1290 | 
| BK30-13 | 13 | 3.6 | 30 | G1 1/2 | 650 | 75 | 1120*930*1290 | 
| BK37-8ZG | 8 | 6 | 37 | G1 1/2 | 740 | 76 | 1530*900*1230 | 
| BK37-10 | 10 | 5.5 | 37 | G1 1/2 | 730 | 76 | 1240*1030*1435 | 
| BK37-13 | 13 | 4.6 | 37 | G1 1/2 | 730 | 76 | 1240*1030*1435 | 
| BK45-8G | 8 | 7.1 | 45 | G1 1/2 | 800 | 78 | 1480*1030*1345 | 
| BK45-10 | 10 | 6.5 | 45 | G1 1/2 | 820 | 78 | 1240*1030*1595 | 
| BK45-13 | 13 | 5.6 | 45 | G1 1/2 | 820 | 78 | 1240*1030*1595 | 
| BK55-8G | 8 | 10 | 55 | G1 1/2 | 800 | 80 | 1480*1030*1345 | 
| BK55-10 | 10 | 8.5 | 55 | G1 1/2 | 1200 | 80 | 1545*1200*1470 | 
| BK55-13 | 13 | 7.4 | 55 | G1 1/2 | 1200 | 80 | 1545*1200*1470 | 
Detailed Photos
Built-in oil separation system The built-in oil separation design ensures the separation of oil and gas and reduces fuel consumption.
Certified Genuine Parts. CHINAMFG Certified Genuine Parts to ensure the compressors delivered to you always perform at high performance.
Adhering to the basic belief in environmental sustainability, we have been committed to continuously improving the energy efficiency of our products and creating value for users.
 
Energy saving and economical, reliable and durable, environmentally friendly and quiet.
The Latest-Generation High Efficiency Screw Rotor! “Large Rotor, Low Speed”, Direct Drive
The latest generation of high-efficiency rotor profiles, full-spectrum screw mainframe meets the national energy-saving standards.
 
Application
Electric power, petroleum, auto repair, laser equipment, metallurgy, biopharmaceutical, printing, garment industry
Company Profile
FAQ
1.How do your prices compare to the manufacturer/factory?
We are the main distributor of major construction machinery manufacturers/factories in China and keep getting the best dealer prices. From the comparison and feedback from many customers, our price is even more competitive than the factory/factory price.
2.How is the delivery time?
In general, we can deliver ordinary machines immediately to our customers within 7 days, as we have various resources to inspect stock machines, locally and nationwide, and receive machines in a timely manner. But it takes more than 30 days for a manufacturer/factory to produce an order machine.
3.How often can you respond to customer inquiries?
Our team is made up of a group of hardworking and dynamic people who work around the clock to respond to customer inquiries and questions. Most issues can be successfully resolved within 8 hours, while manufacturers/factories take longer to respond.
4.Which payment methods can you accept?
Usually we can use wire transfer or letter of credit, and sometimes DP. (1) Wire transfer, 30% deposit in advance, 70% balance paid before shipment, long-term cooperation customers can present a copy of the original bill of lading. (2) Letter of credit, 100% irrevocable letter of credit without “soft terms” from internationally recognized banks can be accepted. Please seek advice from the sales manager you work with.
5.Which clauses in the Incoterms 2571 can you use?
We are a professional and mature international player and can handle all INCOTERMS 2571, we usually work on regular terms like FOB, CFR, CIF, CIP, DAP.
6.How long are your prices valid?
We are a gentle and friendly supplier, never greedy for profit. Our prices remain largely stable throughout the year. We will only adjust the price according to the following 2 situations: (1) USD exchange rate: According to the international currency exchange rate, the RMB exchange rate is quite different; (2) The manufacturer/factory adjusted the machine price due to the increase of labor cost or raw material cost.
7.What logistics methods can you use for shipping?
We can transport construction machinery with various means of transport. (1) 80% of our shipping will be by the sea, to all major continents such as Africa, South America, Middle East. (2) China’s inland neighboring countries, such as Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, etc., can transport by road or rail. (3) For urgently needed light spare parts, we can provide international express services, such as DHL, TNT, UPS, FedEx, etc.
| After-sales Service: | Warranty Service | 
|---|---|
| Warranty: | 1 Year | 
| Lubrication Style: | Lubricated | 
| Cooling System: | Air Cooling | 
| Power Source: | AC Power | 
| Cylinder Position: | Horizontal | 
| Samples: | 
 
                                        US$ 800/Piece 
1 Piece(Min.Order)                                         |  | 
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| Customization: | 
 
                                            Available
                                         
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
 - Oxygen
 - Hydrogen
 - Carbon dioxide
 - Natural gas
 - Refrigerant gases
 
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
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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 does an air compressor work?
An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:
1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.
2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.
3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.
4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.
5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.
6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.
Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.
In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.


editor by CX 2023-10-16
China Best Sales Silent Electric Screw Air Rotary Compressor Price 30 Kw 40HP 7bar 175 Cfm Oil-Free Screw Mini Gas Compressor small air compressor
Product Description
OFAC oil-free screw air compressor used Japanese Mitsui’s original technology, who is the only maintenance service provider in China.
| TECHNICAL DATA | 
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| Model | Power | Pressure (bar) | Air Flow (m3/min) | Noise Level dBA | Outlet Size | Weight (kgs) | Lubricating Water(L) | Filter Element (B)-(Z) | Dimension LxWxH (mm) | |
| OF-7.5F | 7.5kw | 10hp | 8 | 1.0 | 60 | RP 3/4 | 400 | 22 | (25cm) 1 | 1000*720*1050 | 
| OF-11F | 11kw | 15hp | 8 | 1.6 | 63 | 460 | 1156*845*1250 | |||
| OF-15F | 15kw | 20hp | 8 | 2.5 | 65 | RP 1 | 620 | 28 | (50cm) 1 | 1306*945*1260 | 
| OF-18F | 18.5kw | 25hp | 8 | 3.0 | 67 | 750 | 33 | 1520*1060*1390 | ||
| OF-22F | 22kw | 30hp | 8 | 3.6 | 68 | 840 | 33 | 1520*1060*1390 | ||
| OF-30F | 30kw | 40hp | 8 | 5.0 | 69 | RP 11/4 | 1050 | 66 | (25cm) 5 | 1760*1160*1490 | 
| OF-37F | 37kw | 50hp | 8 | 6.2 | 71 | 1100 | 1760*1160*1490 | |||
| OF-45S | 45kw | 60hp | 8 | 7.3 | 74 | RP 11/2 | 1050 | 88 | 1760*1160*1490 | |
| OF-45F | 45kw | 60hp | 8 | 7.3 | 74 | 1200 | 1760*1160*1490 | |||
| OF-55S | 55kw | 75hp | 8 | 10 | 74 | RP 2 | 1250 | 110 | (50cm) 5 | 1900*1250*1361 | 
| OF-55F | 55kw | 75hp | 8 | 10 | 74 | 2200 | (50cm) 7 | 2350*1250*1880 | ||
| OF-75S | 75kw | 100hp | 8 | 13 | 75 | 1650 | (50cm) 5 | 1900*1250*1361 | ||
| OF-75F | 75kw | 100hp | 8 | 13 | 75 | 2500 | (50cm) 7 | 2550*1620*1880 | ||
| OF-90S | 90kw | 125hp | 8 | 15 | 76 | 2050 | (50cm) 5 | 1900*1250*1361 | ||
| OF-90F | 90kw | 125hp | 8 | 15 | 76 | 2650 | (50cm) 7 | 2550*1620*1880 | ||
| OF-110S | 110kw | 150hp | 8 | 20 | 78 | DN 65 | 2550 | 130 | (50cm) 12 | 2200*1600*1735 | 
| OF-110F | 110kw | 150hp | 8 | 20 | 78 | 3500 | 130 | 3000*1700*2250 | ||
| OF-132S | 132kw | 175hp | 8 | 23 | 80 | 2700 | 130 | 2200*1600*2250 | ||
| OF-160S | 160kw | 220hp | 8 | 26 | 82 | 2900 | 165 | 2200*1600*2250 | ||
| OF-185S | 185kw | 250hp | 8 | 30 | 83 | DN 100 | 3300 | 180 | (50cm) 22 | 2860*1800*1945 | 
| OF-200S | 200kw | 270hp | 8 | 33 | 83 | 3500 | 2860*1800*1945 | |||
| OF-220S | 220kw | 300hp | 8 | 36 | 85 | 4500 | 2860*2000*2300 | |||
| OF-250S | 250kw | 340hp | 8 | 40 | 85 | 4700 | 2860*2000*2300 | |||
| OF-315S | 315kw | 480hp | 8 | 50 | 90 | 5000 | 2860*2000*2300 | |||
F– air cooling method S– water cooling method
                           
The brand “OFAC, OFC” specializes in the R&D, manufacturing, sales and service of compressors, oil-free compressors and air end, special gas compressors, various air compressors and post-processing equipment, providing customers with High-quality, environmentally friendly and efficient air system solutions and fast and stable technical services.
FAQ
Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.
Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.
Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.
Q4: Can you use our brand?
A4: Yes, OEM is available.
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 30-45 days.
Q6: How Many Staff Are There In your Factory?
A6: About 100.
 
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.
Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang ,  China.
| 
                                Shipping Cost:
 Estimated freight per unit.                                               | 
To be negotiated | 
|---|
| After-sales Service: | 2 Years | 
|---|---|
| Warranty: | 2 Years | 
| Lubrication Style: | Oil-free | 
| Customization: | 
 
                                            Available
                                         
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|---|
Can Gas Air Compressors Be Used for Well Drilling?
Gas air compressors can be used for well drilling, and they are commonly employed in drilling operations. Here’s a detailed explanation:
1. Air Drilling Method:
Gas air compressors are often utilized in the air drilling method, also known as pneumatic drilling. In this drilling technique, compressed air is used to create a high-velocity airflow that carries the drill cuttings to the surface. The high-pressure air also aids in cooling the drill bit and providing additional force for efficient drilling.
2. Benefits of Gas Air Compressors:
Gas air compressors offer several advantages for well drilling:
- Portability: Gas air compressors can be easily transported to remote drilling sites, allowing for flexibility in well location.
 - Power: Gas air compressors provide high-pressure air output, which is essential for effective drilling in various geological formations.
 - Cost-Effectiveness: Gas air compressors can be more cost-effective compared to other drilling methods, as they eliminate the need for drilling mud and associated disposal costs.
 - Environmental Considerations: Air drilling with gas compressors produces minimal waste and does not require the use of potentially harmful drilling fluids, making it an environmentally friendly option.
 
3. Compressor Selection:
When selecting a gas air compressor for well drilling, several factors should be considered:
- Pressure and Flow Requirements: Evaluate the pressure and flow requirements of the drilling operation to ensure that the gas air compressor can deliver the necessary air output.
 - Compressor Size and Power: Choose a compressor with adequate size and power output to match the drilling demands. Factors such as borehole depth, drill bit type, and drilling speed will influence the compressor’s power requirements.
 - Portability: Consider the portability features of the gas air compressor, such as its weight, dimensions, and mobility options, to facilitate transportation to drilling sites.
 
4. Safety Considerations:
It is essential to follow safety guidelines when using gas air compressors for well drilling. These may include proper ventilation to prevent the accumulation of exhaust fumes, adherence to equipment operating limits, and the use of personal protective equipment (PPE) for drilling personnel.
5. Other Considerations:
While gas air compressors are commonly used for well drilling, it is worth noting that the suitability of a gas air compressor for a specific drilling project depends on various factors such as geological conditions, well depth, and drilling objectives. It is recommended to consult with drilling experts and professionals to determine the most suitable drilling method and equipment for a particular project.
In summary, gas air compressors can be effectively used for well drilling, particularly in the air drilling method. They offer portability, power, cost-effectiveness, and environmental advantages. Proper selection, considering pressure and flow requirements, as well as safety precautions, is crucial to ensure successful and safe drilling operations.
Can Gas Air Compressors Be Used in Agriculture?
Yes, gas air compressors can be used in various agricultural applications. Here’s a detailed explanation:
1. Pneumatic Tools and Equipment:
Gas air compressors can power a wide range of pneumatic tools and equipment used in agriculture. These tools include pneumatic drills, impact wrenches, nail guns, staplers, and pneumatic pumps. Gas air compressors provide the necessary compressed air to operate these tools, making various tasks more efficient and convenient on the farm.
2. Irrigation Systems:
Gas air compressors can be used to power irrigation systems in agriculture. They can supply compressed air to operate pneumatic valves, which control the flow of water in irrigation networks. Gas air compressors ensure reliable and efficient operation of irrigation systems, facilitating the distribution of water to crops in a controlled manner.
3. Grain Handling and Storage:
Air compressors play a vital role in grain handling and storage facilities. They are used to power aeration systems that provide airflow to grains stored in silos or bins. Aeration helps control the temperature and moisture levels, preventing spoilage and maintaining grain quality. Gas air compressors provide the airflow necessary for effective aeration in grain storage operations.
4. Cleaning and Maintenance:
In agriculture, gas air compressors are commonly used for cleaning and maintenance tasks. They can power air blowers or air guns to remove dust, debris, or chaff from machinery, equipment, or storage areas. Gas air compressors provide a high-pressure stream of compressed air, facilitating efficient cleaning and maintenance operations.
5. Livestock Operations:
Gas air compressors find applications in livestock operations as well. They can power pneumatic equipment used for animal care, such as pneumatic nail guns for building or repairing livestock enclosures, pneumatic pumps for water distribution, or pneumatic tools for general maintenance tasks.
6. Portable and Versatile:
Gas air compressors are often portable and can be easily transported around the farm, allowing flexibility in agricultural operations. Their versatility makes them suitable for various tasks, from powering tools and equipment in the field to providing compressed air for maintenance or cleaning in different farm locations.
7. Remote Locations:
In agricultural settings where access to electricity may be limited, gas air compressors offer a reliable alternative. They can be powered by gasoline or diesel engines, providing compressed air even in remote areas without electrical infrastructure.
8. Considerations:
When using gas air compressors in agriculture, it is essential to consider factors such as compressor size, capacity, and maintenance requirements. Selecting the right compressor based on the specific needs of the agricultural applications ensures optimal performance and efficiency.
In summary, gas air compressors have various applications in agriculture. They can power pneumatic tools and equipment, operate irrigation systems, facilitate grain handling and storage, assist in cleaning and maintenance tasks, support livestock operations, and offer portability and versatility. Gas air compressors contribute to increased efficiency, convenience, and productivity in agricultural operations.
How Do You Choose the Right Size Gas Air Compressor for Your Needs?
Choosing the right size gas air compressor is crucial to ensure optimal performance and efficiency for your specific needs. Selecting a compressor that is too small may result in insufficient airflow or pressure, while choosing one that is too large can lead to unnecessary energy consumption and higher costs. Here’s a detailed explanation of the factors to consider when choosing the right size gas air compressor:
1. Required Airflow:
Determine the airflow requirements of your applications. Consider the tools, equipment, or processes that will be powered by the compressor and their respective airflow demands. The required airflow is typically measured in cubic feet per minute (CFM). Determine the total CFM required, taking into account any simultaneous or intermittent tool usage.
2. Operating Pressure:
Identify the operating pressure required for your applications. Different tools and systems have specific pressure requirements, measured in pounds per square inch (PSI). Ensure that the compressor you choose can deliver the required pressure consistently.
3. Duty Cycle:
Consider the duty cycle, which refers to the amount of time the compressor will be in operation within a given period. Some applications may require continuous operation, while others involve intermittent or occasional use. Take into account the duty cycle to ensure that the compressor can handle the expected workload without overheating or experiencing excessive wear.
4. Tank Size:
The tank size of a gas air compressor determines its ability to store compressed air and provide a steady supply. A larger tank can help accommodate fluctuations in demand and reduce the frequency of the compressor cycling on and off. Consider the required storage capacity based on the specific applications and the desired balance between continuous operation and storage capacity.
5. Power Source:
Gas air compressors can be powered by different fuels, such as gasoline, diesel, natural gas, or propane. Consider the availability and cost of the fuel options in your location, as well as the specific requirements of your applications. Choose a compressor that is compatible with a power source that suits your needs.
6. Portability:
Determine if portability is a requirement for your applications. If you need to move the compressor to different job sites or locations, consider a portable model with features like wheels, handles, or a compact design that facilitates easy transportation.
7. Noise Level:
If noise is a concern in your working environment, consider the noise level of the compressor. Gas air compressors can vary in their noise output, and certain models may have noise-reducing features or insulation to minimize sound emissions.
8. Manufacturer Recommendations:
Consult the manufacturer’s recommendations and guidelines for selecting the appropriate compressor size for your specific needs. Manufacturers often provide guidelines based on the anticipated applications, airflow requirements, and other factors to help you make an informed decision.
By considering these factors and carefully assessing your specific requirements, you can choose the right size gas air compressor that meets your airflow, pressure, duty cycle, and other operational needs. It’s advisable to consult with industry professionals or compressor experts for guidance, especially for complex or specialized applications.


editor by CX 2023-09-29
China hongwuhuan group 14 bar air compressor 750 cfm Electric Portable Screw Drilling Air Compressor air compressor repair near me
Applicable Industries: Garment Shops, Constructing Materials Stores, Production Plant, Farms, Construction works , Energy & Mining, quarry and drinking water effectively drilling
Showroom Location: Thailand, Kenya, Ghana
Problem: New
Variety: Screw, 2 wheels/4 wheels/ stationary
Configuration: Transportable
Electrical power Resource: AC Power
Lubrication Type: Lubricated
Mute: NO
Model Amount: 185-14
Voltage: 380V
Dimension(L*W*H): 3885*1880*2300 mm
Excess weight: 4500 kg
Guarantee: 1 Year
Working Pressure: fourteen bar
Air capacity: 22 m3/min
Equipment Check Report: Supplied
Movie outgoing-inspection: Provided
Marketing and advertising Variety: New Item 2571
Warranty of main elements: 1 Yr
Main Parts: PLC, Force vessel, Gear, Motor, Bearing, air finish
Gasoline Type: Air
Capability: 22 m3/min
Doing work pressure: fourteen bar
Bearing: SKF
Security: IP54
Cooling: Air Cooling
Utilization: Supply Comressed Air
Software: drinking water effectively drill performs , Energy & Mining, Quarry blast
Packaging Information: common exported packinghongHangZhouan group 14 bar air compressor 750 cfm Electric Portable Screw Drilling Air Compressor
Port: ZheJiang ,HangZhou
Solution Overview hongHangZhouan group fourteen bar air compressor 750 cfm Electric Transportable Screw Drilling Air CompressorIn comparison with diesel, the sequence screw Air compressor is easy and hassle-free since of its electrical driving method. It has the benefits of cell screw kind and is much more in line with the pattern of lightweight and miniaturization. The new electric powered-change sequence method and configuration than the conventional types have a significant breakthrough, the genuine realization of large efficiency, substantial steadiness, minimal energy consumption. 1) Substantial Reliability: Higher Efficiency Motor Push, outfitted with CZPT bearings, insulation course F, security course IP54, star Delta Y-△ startup, risk-free and dependable. 2) High Efficiency and financial system: undertake large rotor, immediate link kind device head, operate balance dependable, transmission efficiency is substantial, vitality intake is minimal. 3) All round Monitoring: the operational status of the products can be fully monitored the operational status of the tools is clear at a glance and is equipped with a really automated shutdown perform to guarantee the basic safety of folks and devices. Functions AT A Look COMPACT DIMENSIONS185kw motor 14bar large pressure750cfm /22m3/minLong services lifeLow fault price Product Specs Our factory Product sales AND Service Network Productive Venture Task in Thailand Project in Africa Task in Russia Related Merchandise Get in touch with me
How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from one place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.
Positive displacement
Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are two types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the two types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
oil free
If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in one minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
double acting
A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
fuel tank pressure switch
You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.
energy source
The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require three separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require three separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.


editor by czh
China Custom Stationary Quiet High Efficiency Permanent Magnet VSD Electric Rotary Screw Type Air Compressor for Industrial wholesaler
Item Description
Stationary Peaceful Higher Performance Everlasting Magnet VSD Electrical Rotary Screw Variety Air Compressor for Industrial
one. Image &  core components  for our Twin Rotary screw air compressor :
two. Item Description & advantages  for Fantastic PM variable pace screw air compressor:
    Description: 
  Motor:
- Oil CZPT large performance long term magnet motor
 - Insulation quality F, safety grade IP54,adapt to the large dusty environment. IE4 Efficiency motor efficiency.
 - Max.RPM 1500,reduced sounds, substantial efficiency, much better existence-span.
 - Break up design and style, easy upkeep. Straightforward for set up and service.
 - With out gearbox design, motor is related right with rotor via the coupling, high transmission efficiency.
 - Low temperature rise, unbiased CZPT admirer design and style, so that the motor CZPT is not influenced by the velocity regulation.
 - With PT100 temperature security change to avoid high temperature degaussing.
 - Huge velocity selection, higher precision and massive adjustment variety.
 - Premium Magnetic material resist far more than 180ºC temp
 - Great Vitality Conserving, preserve up to much more than 30-40%
 
    
    Inverter :
one. dual variable frequency inverter
two.Dual variable frequency technique: everlasting magnet motor variable frequency + CZPT admirer motor variable frequency , one-piece built-in construction, excessive power conserving.
three.Continuous stress air provide: the provide stress is precisely managed underneath .01 MPa.
3.Continuous temperature air supply: consistent temperature established at 85 ºC, with the very best lubrication
4.Eliminates empty load, decreases the empty load power use by forty five%.
Remove overpressure
5.Huge Frequency selection thirty%~ one hundred%
six.Vector air provide, precise calculation, guarantee that the air circulation of Compressor is consistent with the demand of the user system.
Smart manage system :
one.Immediate display: discharge temperature, discharge force, running frequency, present, electricity, running condition, and so forth.
two.Real-time monitoring of discharge temperature, discharge strain, current, frequency fluctuation.
3.CZPT the Web of factors module, exterior cloud intelligent management system, understand the capabilities this sort of as remote begin-stop and distant on-line monitorin
Positive aspects / why pick the PM VSD screw air comrpessor ?
The permanent magnet motor stays substantial effectiveness at lower speeds, making sure evident strength-preserving advantages in tiny air volume
-Frequency variety from %-one hundred%(widespread conversion from 60%-100%)
-When compared with the fastened velocity compressor, power conserving 22%-forty%
-Compared with the common inverter compressor, power saving 5%-15%
Program volume fluctuations more substantial, the energy-conserving influence a lot more obvious.
three.Complex Parameters for Wholesale 7-thirteen Bar Ideal Price Quiet Stationary Electric AC electricity Variable Frequency Direct Travel Oil Type Pm VSD Inverter Rotary Twin Screw Air Compressor :
:
four. Certificate for Wholesale 7-13 Bar Greatest Value Peaceful Stationary Electric powered AC electrical power Variable Frequency Immediate Travel Oil Kind Pm VSD Inverter Rotary Twin Screw Air Compressor :
five.Applications:
six.Packing &Delivery:
seven. FAQ:
Q1: Are you manufacturing unit or trade firm?  
A1: We are factory.
Q2: Warranty terms of your device? 
A2: One year warranty for the machine and technological assist according to your demands.
Q3: Will you give some spare parts of the machines? 
A3: Yes, of system.
Q4: How lengthy will you take to prepare generation? 
A4: 380V 50HZ we can delivery the merchandise within twenty days. Other voltage we will supply within 30 times.
Q5: Can you acknowledge OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!
8. our manufacturing unit :
9. Exhibition:
ten .Our Service 
ten.1  After-sale Services
• Any inquiries or requests just before, throughout or following product sales, we would like to support you any time and will uncover you the ideal solution in 24 several hours.
• Guarantee: A single 12 months for the entire equipment 2 yr for air finish , and spare areas will be supplied with best cost.
• Over board engineer service is available.
10.2  Particular Tailored Support
  1) Total OEM
• Quantity: at the very least 5 pcs
• In this plan, we will do all the adjustments (Color, identify plate and logo) as your require, and will not demand extra charge.
  2) Fifty percent OEM
• Amount: no limit
• Below this software, we can make the required alteration (identify plate and logo) but we will demand some extra payment for the name plate, as the name plate manufacturing unit has the MOQ.
 3) Symbol OEM
  • Amount: no restrict
• Only the brand will be modified to yours, and no extra fee will be charged.
10.3  Overseas Engineer Services
• We are offered to deliver our engineer for aboard services. Only want you to set up the lodging, transportation and translator. Added cost for each will be talked about based on nearby value stage
11.Contact:
Select an Air Compressor for Your Enterprise
There are numerous aspects to take into account when choosing an air compressor for your business. 1 aspect to take into account is the kind of compressor you are looking for, which might include single-phase, low sounds, and good displacement. Hope this report will help you make the correct decision. After all, your business achievement will depend on this gadget! Let us get a closer appear at these aspects. Also, take into account what compressor producers say about their goods.
Positive displacement
Optimistic displacement air compressors compress air by drawing in a quantity from an inlet and extruding it out of a chamber. This will increase the pressure at which the gasoline can be pumped at costs that can’t be pumped via the outlet at lower pressures at increased mass flow charges. These varieties of compressors are available in one-performing and double-acting configurations. They are categorised by the variety of cylinders.
There are two different sorts of air compressors: reciprocating air compressors and screw compressors. Equally are roll devices. Constructive displacement air compressors use pistons and cylinders to compress air. The resulting air stress builds up within the compressor housing, increasing the prospective energy of the compressed air. Screw air compressors are the most well-liked optimistic displacement air compressors, which can be possibly solitary-phase screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete portions. The amount of times the chamber was refilled and emptied was used to estimate the whole movement. However, good displacement circulation meters are prone to leaks, decreasing the precision of the estimates. If a leak occurs, it can result in false readings and hurt the compressor. Nevertheless, leaks in positive displacement air compressors can reduce force.
The most frequent types of optimistic displacement air compressors are screw, reciprocating, and vane. Rotary good displacement air compressors are also offered as properly as a lot of other air compressors. Optimistic displacement air compressors are most frequently used in huge production amenities. If you are considering an air compressor for industrial or industrial apps, it is essential to comprehend how the elements of the device function. Remember to read the information beneath to find out much more before determining which software is greatest for you.
Good displacement air compressors use a piston to drive air into a chamber, compressing the air in the approach. The piston moves in the reverse direction, thus minimizing the volume of the chamber. When the volume of air in the chamber reaches its highest value, the valve opens, allowing it to escape at increased strain. Positive displacement air compressors are generally considerably less efficient than centrifugal compressors. However, they are nevertheless an exceptional decision for a selection of purposes.
Solitary-phase
The discharge pressure of the solitary-stage air compressor is used to handle the procedure of the compressor. Correctly developed load/unload controls let the air compressor to function at its most efficient point even though reducing stress on the main motor bearings. One-phase air compressors can strategy variable pace effectiveness with appropriate storage capacity. Nonetheless, inappropriate storage can lead to premature bearing dress in on the major unit. If this is the circumstance, a single-stage air compressor may possibly not be best.
A single-phase air compressor has only a single cylinder, which indicates one stroke is required to transfer air from one particular cylinder to an additional. Pressure is calculated in cubic ft for every minute or CFM. Tank measurement is also crucial as a massive solitary-stage air compressor may possibly be necessary to function numerous air instruments. One-phase air compressors can be utilised in a selection of programs and can final for many years.
For the most widespread utilizes, one-phase air compressors are the most functional option. These gadgets perform with most hand resources, from hammers to grinders. One-stage air compressors are light-weight and simple to shift. Nonetheless, two-phase air compressors supply more CFM, creating them a greater option for industrial or professional use. Even so, two-stage compressors are not suitable for private use. Therefore, if your main purpose is Do-it-yourself and craft assignments, it is much better to decide on a single-phase air compressor.
In comparison with two-stage air compressors, one-stage screw air compressors are less costly. They arrive from a range of manufacturers and selection in electrical power from 3 to 600 horsepower. Single-phase air compressors are a price-powerful resolution for a selection of air compressor needs. They provide flexibility and several handle methods, generating them an outstanding decision for many diverse programs. For that reason, when deciding on an air compressor for your business, choose the 1 with the most suited capabilities.
Single-stage air compressors are the most inexpensive and easy-to-use air compressors for modest to medium employment. They also have increased compression ratios. The compression ratio is the ratio of absolute discharge strain to absolute inlet force. When calculating the ratio, it requires into account atmospheric force and gauge stress. The compression ratio pushes the surface location of the rotor, which will increase the thrust load.
One-phase air compressors are scaled-down and less complicated to transport than two-phase units. One-phase air compressors have a single air ingestion, and two-phase air compressors have two air intakes. The difference among solitary-phase and two-stage air compressors mostly is dependent on the variety of times the air is compressed. A one-stage air compressor compresses the air as soon as, even though a dual-stage air compressor compresses the identical quantity of air twice.
reduced sound
Low sounds air compressors are perfect for a selection of apps. Although no air compressor is completely silent, some versions are a lot quieter than others. For the Hitachi EC28M moveable compressor, the noise stage is 59 decibels. The compressor features metal rollers that defend the interior parts and give it a smooth, modern appear. It also has a one-gallon gas tank and a fifty percent-horsepower push.
Sound from air compressors can be distracting and reduce efficiency. It is essential to choose low-sound air compressors to maintain personnel healthier and pleased at work. Even though noise is an unfortunate aspect of operating on the shop flooring, minimizing it can increase productiveness. By reducing distracting noise, workers can concentrate on their function and talk more effectively. That indicates higher good quality work and happier clients. If you’re seeking for a reduced-noise air compressor, be certain to study the guidelines under.
Reduced sounds air compressors are an superb option for firms of all measurements. These potent resources can run multiple equipment simultaneously. The two drinking water tanks are created of rust-resistant aluminum and are stackable. This air compressor is heavier and can take care of big positions with relieve. It expenses more than other air compressors, but it can take care of a great deal of perform effectively. CZPT Air Equipment air compressors come with a one particular-calendar year guarantee and are highly suggested by contractors.
Noiseless air compressors are typically more expensive than similar products, but they are worth the further cost. Noiseless compressors are a very good selection for firms that need to have to avoid disturbing nearby individuals. For case in point, you may want to contemplate a low-sounds air compressor for a dental workplace, which can not tolerate sound. Luckily, this issue can be solved by relocating the compressor to a spot that is a lot more isolated from your workspace.
One particular brand name of reduced-noise air compressors offers two models. The CZPT Air Resources 2010A characteristics a large forged aluminum can, regulating pressure gauge, and two common rapid-connects. It generates sixty eight decibels of sounds when it operates. It has a large 8-gallon gasoline tank ability and has wheels and handles for effortless transportation. Its potent engine produces a reduced sounds level of 68 decibels.
One more well-known reduced sounds air compressor is the Makita MAC210Q Silent Series. This product is able of creating up to 71.5 decibels of sound, which is the sum of air it produces at 90PSI. The MAC210Q attributes a resilient oil-cost-free pump and weighs just 36 kilos with a deal with and wheels. These compressors are simple to go and best for indoor function.
