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: | 2 Years |
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| Warranty: | 2 Years |
| Lubrication Style: | Oil-free |
| 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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How are air compressors employed in the petrochemical industry?
Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:
1. Instrumentation and Control Systems:
Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.
2. Pneumatic Tools and Equipment:
Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.
3. Process Air and Gas Supply:
Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.
4. Cooling and Ventilation:
Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.
5. Nitrogen Generation:
Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.
6. Instrument Air:
Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.
By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.
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What are the environmental considerations when using air compressors?
When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:
Energy Efficiency:
Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.
Air Leakage:
Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.
Noise Pollution:
Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.
Emissions:
While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.
Proper Waste Management:
Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.
Sustainable Practices:
Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.
By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.
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How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.
editor by CX 2024-03-09
China wholesaler 55kw 75HP 3bar Low Pressure Electric Rotary Screw Air Compressor portable air compressor
Product Description
Product Description
Product Introduction
The Kingair KAL series of Low pressure PM VFD screw air compressor, It is a low-pressure screw air compressor with the characteristics of stable energy saving, low noise and intelligence. It uses a high-efficiency, large-displacement airend and a permanent magnet motor to truly achieve a small motor with a large displacement. It has an independent oil pump for forced lubrication to ensure sufficient fuel injection volume even under extremely low exhaust pressure (2bar), optimizing oil and gas. Increase the customized oil and gas separation system to reduce the internal pressure of the air compressor to ensure the oil and gas separation effect, and the oil content in the air is less than 2ppm. The air source of the low-pressure screw air compressor is clean, which reduces the frequency of cleaning the texturing machine nozzle and improves the air quality of the finished product.
It can maintain stability under low pressure and has significant energy-saving effects. It is widely used in manufacturing, textile industry, and other fields.
Detailed Photos
Product Parameters
| Model | KAL-75PMD |
| Power(Kw) | 55 |
| Pressure(Bar) | 3 |
| Volume flow(m3/min) | 17.0 |
| Pipe Diameter | DN80 |
| Weight(kg) | 2300 |
| Dimension(mm) | 2400×1750×2000 |
Certifications
Packaging & Shipping
Installation Instructions
Company Profile
ZheJiang Kingair Industrial Co., Ltd., is the core technology solution provider for compressed gas system solutions, with mature operation experience and excellent brand reputation in the 3 major areas : product system, core technology and solutions.
The company has strong comprehensive strength, the factory is located in Xihu (West Lake) Dis., ZheJiang , covers an area of 30000 square meters, has a strong equipment production capacity. In the course of 20 years of operation and development, we have always adhered to the enterprise spirit of “professionalism, innovation, energy saving and service”, deeply implemented the strategic policy of environmental protection and low carbon, and realized the construction of high intelligent and efficient air pressure system industry chain.
Kingair focuses on R&D, production and trade, and produces air compressor products with stable overall performance, advanced control system, superior, gas environment, reasonable design, higher efficiency and longer service life.
Each product of the company has passed the IS09000 quality management system certification, European CE, ISO certification, etc., and has established a complete set of mature foreign trade operation system. The products are popular in more than 80 countries and regions in Asia, Europe,Africa and America.
FAQ
Q1. Is KINGAIR trading company or manufacturer ?
A: We are professional manufacturer of screw air compressor, more than 20 years experience.
Q2. How long is KINGAIR delivery time ?
A: KINGAIR standard delivery time is 15 working days after confirmed order.For the other non-standard requirements will be discussed case by case.
Q3. 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 available arrange our engineers to help you training and installation.
Q4. What is the available voltage KINGAIR compressor?
A:KINGAIR available voltage include 380v/50hz/3p,400v/50hz/3p,415v/50hz/3p,220v/60hz/3p,440v/60hz/3p,And
KIGNAIR also supplies the required voltage.
Q5. Do you have any certificate ?
A: Yes, according to customer’s market need, we can offer CE certificate, ISO certificate, etc.
Q6. Do you offer OEM service ?
A: Yes, both OEM & ODM service can be accepted.
Q7. Can KINGAIR machines be run in high temperature environment?What is working temperature range?
A: Yes, KINGAIR machines would run in high temperature environment countries. Such as India, UAE, South Africa, Saudi Arabia, Iraq, Pakistan, etc.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | on Line Technical Support |
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| Warranty: | 1 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Samples: |
US$ 7500/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Are there special considerations for air compressor installations in remote areas?
Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:
1. Power Source:
Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.
2. Environmental Conditions:
Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.
3. Accessibility and Transport:
Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.
4. Maintenance and Service:
In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.
5. Fuel and Lubricants:
For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.
6. Noise and Environmental Impact:
Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.
7. Communication and Remote Monitoring:
Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.
By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.
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How do you choose the right air compressor for woodworking?
Choosing the right air compressor for woodworking is essential to ensure efficient and effective operation of pneumatic tools and equipment. Here are some factors to consider when selecting an air compressor for woodworking:
1. Required Air Volume (CFM):
Determine the required air volume or cubic feet per minute (CFM) for your woodworking tools and equipment. Different tools have varying CFM requirements, so it is crucial to choose an air compressor that can deliver the required CFM to power your tools effectively. Make sure to consider the highest CFM requirement among the tools you’ll be using simultaneously.
2. Tank Size:
Consider the tank size of the air compressor. A larger tank allows for more stored air, which can be beneficial when using tools that require short bursts of high air volume. It helps maintain a consistent air supply and reduces the frequency of the compressor cycling on and off. However, if you have tools with continuous high CFM demands, a larger tank may not be as critical.
3. Maximum Pressure (PSI):
Check the maximum pressure (PSI) rating of the air compressor. Woodworking tools typically operate within a specific PSI range, so ensure that the compressor can provide the required pressure. It is advisable to choose an air compressor with a higher maximum PSI rating to accommodate any future tool upgrades or changes in your woodworking needs.
4. Noise Level:
Consider the noise level of the air compressor, especially if you’ll be using it in a residential or shared workspace. Some air compressors have noise-reducing features or are designed to operate quietly, making them more suitable for woodworking environments where noise control is important.
5. Portability:
Assess the portability requirements of your woodworking projects. If you need to move the air compressor frequently or work in different locations, a portable and lightweight compressor may be preferable. However, if the compressor will remain stationary in a workshop, a larger, stationary model might be more suitable.
6. Power Source:
Determine the power source available in your woodworking workspace. Air compressors can be powered by electricity or gasoline engines. If electricity is readily available, an electric compressor may be more convenient and cost-effective. Gasoline-powered compressors offer greater flexibility for remote or outdoor woodworking projects where electricity may not be accessible.
7. Quality and Reliability:
Choose an air compressor from a reputable manufacturer known for producing reliable and high-quality equipment. Read customer reviews and consider the warranty and after-sales support offered by the manufacturer to ensure long-term satisfaction and reliability.
8. Budget:
Consider your budget and balance it with the features and specifications required for your woodworking needs. While it’s important to invest in a reliable and suitable air compressor, there are options available at various price points to accommodate different budgets.
By considering these factors and evaluating your specific woodworking requirements, you can choose an air compressor that meets the demands of your tools, provides efficient performance, and enhances your woodworking experience.
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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 2024-02-05
China Standard 30kw 37kw 55kw 75kw 90kw Industrial Electric VSD CHINAMFG 40HP 50HP 75HP 100HP 125HP Screw Air Compressor Compresor De Aire air compressor portable
Product Description
30kw 37kw 55kw 75kw 90kw Industrial Electric Pm VSD CHINAMFG 40hp 50HP 75hp 100hp 125hp Screw Air Compressor Compresor De Aire
Promises Every Machine Will Run Well More Than 15 Years
Saving energy is making money !!!
Hengchaowin rotary screw air compressor used germany technology screw(air end ) ,
The same intake valve designed by CHINAMFG Rand,
high Efficient IP54 rated motor,And quoted the high-efficiency inverter fromDenmark.
The air compressor can maintain a stable motor efficiency at any speed,
so it is more energy-saving and power-saving.
Product Description
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Screw group |
5: 6 Gear rotor |
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Compression method |
Continuous, CHINAMFG |
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Compressed air outlet pressure |
0.65-1.0MPa |
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Compressed air outlet temperature |
Air-cooled |
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Compressed air outlet temperature |
10ºC~15ºC higher than the ambient temperature |
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Volume of Lubricating Oil |
About 16.5liters |
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Motor speed |
N=-1200-3600r/min |
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Rated power |
90 kw |
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Air capacity |
V=16.0-12.8 m3/min |
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Weight |
1400 kg |
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Fuel consumption |
Exhaust oil content is less than 3PPM |
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Noise level |
78dB(A) |
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Detailed Photos
Advantage:
1.It adopts the design of large rotor and low speed, and contains 2 independent rotors, which has high efficiency and low noise,The design service life is 30 years.
2. The high-frequency flexible inverter can effectively reduce the magnetic field interference generated by the inverter, and the special heat dissipation design can prevent high temperature shutdown in summer.
3.Colorful touch system, intelligent operation, remote monitoring integrated system, convenient and worry-free.
4.Our machines have reliable quality and warranty is 2 years of the whole machine,5 years of the screw.
5. We have our professinal after sales technician team to instruct you installation and maintenance.
Hot products
1. direct drive rotary screw air compressor
2. energy saving vsd screw air compressor
3. air compressor with air tank and air dryer.
Product Parameters
Power : 7.5kw -513kw
working pressure : 7bar 8bar 10bar 13bar 16bar
voltage : 220v/380v/415v/480v
color : gery/blue/white
| HWV-55A | HWV-75A | HWV-90A | HWV-110A | HWV-132A | HWV-160A | HWV-185A | |||||||||||||||||||||
| 10 | 9.6 | 8 | 7.6 | 13 | 12.6 | 11 | 10.5 | 16 | 15 | 13 | 12.5 | 21 | 19.8 | 17 | 16.4 | 24.5 | 23.2 | 20 | 19.4 | 28.7 | 27.6 | 23.5 | 22.8 | 32 | 30.4 | 27.4 | 26.8 |
| 353.1 | 338.976 | 282.48 | 268.356 | 459.03 | 444.906 | 388.41 | 370.755 | 564.96 | 529.65 | 459.03 | 441.375 | 741.51 | 699.138 | 600.27 | 579.084 | 865.095 | 819.192 | 706.2 | 685.014 | 1013.397 | 974.556 | 829.785 | 805.068 | 1129.92 | 1073.424 | 967.494 | 946.308 |
| 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 | 7 | 8 | 10 | 12.5 |
| 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 | 102 | 116 | 145 | 174 |
| 55kw/ 75hp |
75kw/ 100hp |
90kw/ 120hp |
110kw/ 150hp |
132kw/ 175hp |
160kw/ 210hp |
185kw/ 250hp |
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| 78±2 | 78±2 | 83±2 | 85±2 | 85±2 | 85±2 | 88±2 | |||||||||||||||||||||
| RP2 | RP2 | RP2 | RP2, 1/2 | RP2, 1/2 | RP2, 1/2 | RP2, 1/2 | |||||||||||||||||||||
| AC 380v/415v/220v/480v or 50hz/60hz accpet Customized voltage | |||||||||||||||||||||||||||
| Variable frequency soft star | |||||||||||||||||||||||||||
| 55 | 65 | 72 | 90 | 90 | 110 | 110 | |||||||||||||||||||||
| 1800 | 1800 | 2000 | 2300 | 2500 | 2500 | 3150 | |||||||||||||||||||||
| 1250 | 1250 | 1250 | 1470 | 1470 | 1470 | 1980 | |||||||||||||||||||||
| 1670 | 1670 | 1670 | 1840 | 1840 | 1840 | 2150 | |||||||||||||||||||||
| 1480 | 1680 | 1860 | 2600 | 2900 | 3200 | 3500 | |||||||||||||||||||||
Why Choose Us
HangZhou CHINAMFG Technology Co., Ltd., founded in 1985, in ZheJiang ,China, It is a professional air compressor manufacturer with 30 years of experience in R&D, manufacturing, marketing and service.
After the technical system reform in 2000, the company introduced German advanced CHINAMFG technology, adhering to the German advanced industrial design concept, rigorous manufacturing technology and comprehensive management. We strictly implement ISO9001 international quality system certification and EU CE standard production machines. The performance and quality of our products have been widely recognized and praised by the market, occupying 30% of China’s market share.
Starting to enter overseas markets in 2571, it currently has agents and after-sales teams in North America, Western Europe, South Africa, East Africa and other regions.
Company Profile
Brief introduction of factory:
1. We have been engaged in R D department, production and sales of air compressors for 30 years;
2. Our air compressor products through CE,SGS,ISO certification, with more than 20 invention patents;
3. Our products are exported to 132 countries and regions around the world;
4. Our air compressor provides a 5-year warranty.
If you have specific parameters and requirements for our Rotary Screw Type Air Compressor, customization is available
Customer feedback
Providing high-quality machines is our standard, and satisfying every customer is our pursuit. Over the years, we have won unanimous praise from overseas users for our integrity and high-quality product quality.
Packaging
The air compressor is guaranteed for 1 year and 5 years for the screw(air end) . Warranty time is calculated from machine leave the factory.
After Sales Service
1. 24/7 after sales service in different languages.
2. Online instruction for installation and commissioning.
3. On-site instruction for installation and commissioning provided by well-trained engineers or local authorized service center.
4. CHINAMFG agents and after sales service available.
FAQ
Q1: What is your product name?
A:Industrial Energy Saving VSD Oil Lubricating Rotary Screw Air Compressor Machine 22kw 30hp
Q2: Why should I choose you?
1. 24/7 after sales service support in different languages;
2. Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center;
3. Technical training for customers in HENGCHAOWINO air compressor factory or working site;
4. Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang Province and all distributors’depots;
5. All kinds of technical documents in different languages.
Q3: Can you use our brand?
A: Yes, OEM is available.
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| After-sales Service: | Support Online and Local Service |
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| Warranty: | 18m |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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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 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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What safety precautions should be taken when working with compressed air?
Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:
1. Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.
2. Compressed Air Storage:
Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.
3. Pressure Regulation:
Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.
4. Air Hose Inspection:
Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.
5. Air Blowguns:
Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.
6. Air Tool Safety:
Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.
7. Air Compressor Maintenance:
Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.
8. Training and Education:
Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.
9. Lockout/Tagout:
When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.
10. Proper Ventilation:
Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.
By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.
What maintenance is required for air compressors?
Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:
1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.
2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.
3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.
4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.
5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.
6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.
7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.
8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.
9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.
10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.
Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.
editor by CX 2024-01-15
China OEM Gardner Denver Gd Oil Lubricated Screw Air Compressor Variable Speed VSD 55kw FM55RS FM 55kw FM55RS-7A FM55RS-8A FM55RS-10A FM55RS-13A air compressor CHINAMFG freight
Product Description
Oil Lubricated Screw Compressors FM07RS-FM75RS Series Variable Speed VSD
Efficient Compact Reliable
FM Series small air compressors are designed to provide you with excellent quality main engines imported from Germany, with simple and convenient after-sales maintenance design.
Design philosophy focused on details
• Hard pipe connection for both hard and soft pipelines
• Materials such as Teflon increase the stability of the overall unit running
Efficient, stable, customizable according to specific needs
• FM07-22: TEFC, with standard IP55 rating
• FM30-75: ODP, with IP23 / IP54 ratings optional
• (IP 54 400V / 50Hz optional)
Filtering system
Efficient, high-quality, micro-oil air quality
• With nanometer filter materials, filter accuracy of up to 1μ
• Improve air quality, oil content less than 2 ppm
• New pre-filtration system reduces the air filter load
• Increase the operating life of the overall unit under complex conditions
Compact design, imported main engine, high efficiency and energy saving
• The direct drive by air end and motor of FM30-75 realizes efficient conversion of high CHINAMFG torque that protects the air end from the impact of external forces, thereby enabling more efficient and more stable operation.
• The whole series can reach national Level I, or Level II energy efficiency.
Technical Data for FM07RS-FM75RS Series Variable Speed VSD
| Model Number | Pressure(Bar) | Power(kW) | FAD1 (m3/min) | Noise Level² dB(A) | Drive | Weight (kG) | Dimensions L x W x H (mm) |
| FM07RS-7A | 7 | 7.5 | 0.45-1.13 | 70 | Belt | 225 | 667×630×1050 |
| FM07RS-8A | 8 | 7.5 | 0.46-0.98 | 70 | Belt | 225 | 667×630×1050 |
| FM07RS-10A | 10 | 7.5 | 0.43-0.95 | 70 | Belt | 225 | 667×630×1050 |
| FM07RS-13A | 13 | 7.5 | 0.45-0.77 | 70 | Belt | 225 | 667×630×1050 |
| FM11RS-7A | 7 | 11 | 0.58-1.53 | 70 | Belt | 234 | 667×630×1050 |
| FM11RS-8A | 8 | 11 | 0.52-1.41 | 70 | Belt | 234 | 667×630×1050 |
| FM11RS-10A | 10 | 11 | 0.51-1.39 | 70 | Belt | 234 | 667×630×1050 |
| FM11RS-13A | 13 | 11 | 0.49-1.07 | 70 | Belt | 234 | 667×630×1050 |
| FM15RS-7A | 7 | 15 | 1.06-2.64 | 73 | Belt | 360 | 787×698×1202 |
| FM15RS-8A | 8 | 15 | 1.01-2.46 | 73 | Belt | 360 | 787×698×1202 |
| FM15RS-10A | 10 | 15 | 0.95-2.2 | 73 | Belt | 360 | 787×698×1202 |
| FM15RS-13A | 13 | 15 | 0.89-1.73 | 73 | Belt | 360 | 787×698×1202 |
| FM18RS-7A | 7 | 18.5 | 1.37-3.15 | 74 | Belt | 380 | 787×698×1202 |
| FM18RS-8A | 8 | 18.5 | 1.35-2.96 | 74 | Belt | 380 | 787×698×1202 |
| FM18RS-10A | 10 | 18.5 | 1.29-2.66 | 74 | Belt | 380 | 787×698×1202 |
| FM18RS-13A | 13 | 18.5 | 1.31-2.25 | 74 | Belt | 380 | 787×698×1202 |
| FM22RS-7A | 7 | 22 | 1.35-3.49 | 74 | Belt | 395 | 787×698×1202 |
| FM22RS-8A | 8 | 22 | 1.05-3.23 | 74 | Belt | 395 | 787×698×1202 |
| FM22RS-10A | 10 | 22 | 0.94-3.05 | 74 | Belt | 395 | 787×698×1202 |
| FM22RS-13A | 13 | 22 | 0.98-2.59 | 74 | Belt | 395 | 787×698×1202 |
| FM30RS-7A | 7 | 30 | 1.88-5.26 | 72 | Direct | 750 | 1554×894×1505 |
| FM30RS-8A | 8 | 30 | 1.85-5.23 | 72 | Direct | 750 | 1554×894×1505 |
| FM30RS-10A | 10 | 30 | 1.81-4.52 | 72 | Direct | 750 | 1554×894×1505 |
| FM37RS-7A | 7 | 37 | 1.84-6.24 | 72 | Direct | 830 | 1554×894×1505 |
| FM37RS-8A | 8 | 37 | 1.84-6.21 | 72 | Direct | 830 | 1554×894×1505 |
| FM37RS-10A | 10 | 37 | 1.75-5.01 | 72 | Direct | 830 | 1554×894×1505 |
| FM45RS-7A | 7 | 45 | 2.83-7.57 | 76 | Direct | 900 | 1554×894×1505 |
| FM45RS-8A | 8 | 45 | 3.73-7.51 | 76 | Direct | 900 | 1554×894×1505 |
| FM45RS-10A | 10 | 45 | 2.25-6.12 | 76 | Direct | 900 | 1554×894×1505 |
| FM55RS-7A | 7 | 55 | 2.44-10.34 | 75 | Direct | 1170 | 2004×1179×1605 |
| FM55RS-8A | 8 | 55 | 2.37-10.07 | 75 | Direct | 1170 | 2004×1179×1605 |
| FM55RS-10A | 10 | 55 | 2.24-9.14 | 75 | Direct | 1170 | 2004×1179×1605 |
| FM75RS-7A | 7 | 75 | 1.82-13.5 | 78 | Direct | 1220 | 2004×1179×1605 |
| FM75RS-8A | 8 | 75 | 1.76-12.9 | 78 | Direct | 1220 | 2004×1179×1605 |
| FM75RS-10A | 10 | 75 | 1.65-11.91 | 78 | Direct | 1220 | 2004×1179×1605 |
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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What is the role of air compressors in power generation?
Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:
1. Combustion Air Supply:
Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.
2. Instrumentation and Control:
Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.
3. Cooling and Ventilation:
In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.
4. Cleaning and Maintenance:
Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.
5. Pneumatic Tools and Equipment:
In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.
6. Nitrogen Generation:
Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.
7. Start-up and Emergency Systems:
Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.
Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.
How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.
editor by CX 2023-12-09
China high quality 55kw 75HP Industrial Stationary Dry Oil Free Silent Medical Screw Air Compressor with Best Sales
Product Description
Product Description
55kw 75hp Industrial Stationary DryOil Free Silent Medical Screw Air Compressor
The air quality of dry oil-free air compressor complies with the requirement of Class 0 in terms of total oil content,as defined in ISO 8573-1.
Original German Air-end withWorld Well-know Screw Technology
Adopt original German air end with high durabilityand good quality, which is perfect for compressingpure and clean air.
New Noise Reduction Design – Venturi Tube Muffler
The first and second stage of the air-end all adopt thenewly developed venturi muffler, and there is also animpedance integrated muffler, which can greatly eliminatethe noise emitted by the compressor pipeline.
Product feature
1.Industry-leading air end, imported brand, quality assurance.
2. IE4 motor, save your electricity cost, IP54, B-level temperature rise is suitable for harsh environments such as large dust and high temperature;
3.Multiple noise reduction design, calculated according to noise theory, with special flame retardant muffler cotton inside, to reduce the noise of the unit and provide a quieter environment for use.
4.Independent air inlet, reduce intake resistance, multi-function intake valve group, start without load, motor load is small. Use high-efficiency filters to effectively filter particulates in the air;
5.Centrifugal fan with plate-fin cooler has high wind pressure, low noise, external independent suction, exhaust air upward through a specially designed air duct to prevent hot air from returning; cooler modular design, vertical installation, effectively eliminate thermal stress , More stable operation and long service life;
6.Optimized shock absorption pad to reduce vibration and noise.
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Powe (kW) |
Noise dB(A) |
Outlet diameter |
Dimension (mm) | Weight (Kg) |
||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-45A/W | 4.5-7.8 | 4.0-6.8 | 3.7-6.4 | 45 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2650 | 2700 |
| RDO-55A/W | 5.7-9.8 | 5.2-9.0 | 4.4-7.8 | 55 | 69±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2850 | 2900 |
| RDO-75A/W | 7.6-13.0 | 7.2-12.2 | 6.6-11.2 | 75 | 70±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 2950 | 2900 |
| RDO-90A/W | 9.6-16.0 | 8.1-13.8 | 7.6-13.1 | 90 | 71±3 | DN50 | 2200*1400*2000 | 2200*1500*1720 | 3000 | 2950 |
| RDO-110A/W | 12.1-20.6 | 11.6-19.5 | 11.1-18.8 | 110 | 71±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3500 | 3550 |
| RDO-132A/W | 14.7-24.8 | 13.6-23.0 | 11.5-19.5 | 132 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3550 | 3600 |
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
| RDO-250A/W | 27.3-46.0 | 25.3-42.8 | 22.7-38.2 | 250 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5700 | 5200 |
| RDO-280A/W | 31.6-48.6 | 30.9-47.5 | 29.3-45.0 | 280 | 76±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5800 | 5300 |
| RDO-315A/W | 34.1-52.5 | 32.9-50.6 | 31.5-48.5 | 315 | 77±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 6000 | 5400 |
Noted: DRO-W, DRO means this model is Dry Oi-Free air compressor,With “W” It represents Water Cooled,
Without “W’, It represents AirCooled.
Dry oilfree screw air compressor is widely used in food, Medicine, Electronics, ChemicalsSemiconductor Prinfings, Precision Spraying and other industries.
Field Case
Packaging & Shipping
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package
(for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24month |
| 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 painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
What is the impact of altitude on air compressor performance?
The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:
1. Decreased Air Density:
As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.
2. Reduced Airflow:
The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.
3. Decreased Power Output:
Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.
4. Extended Compression Cycle:
At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.
5. Pressure Adjustments:
When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.
6. Compressor Design:
Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.
7. Maintenance Considerations:
Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.
When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.
editor by CX 2023-10-31