Tag Archives: low pressure compressor

China wholesaler Low Pressure Oil-Free Air-Cooled Oxygen Nitrogen Natural Gas Reciprocating Piston Compressor Manufacturer portable air compressor

Product Description

HangZhou CHINAMFG Gas Equipment Co.,Ltd, exporting diaphragm compressor, piston compressor, oxygen generator, gas cylinder and nitrogen generators with good quality and low price.

Pistion compressor  is a kind of piston reciprocating motion to make gas pressurization and gas delivery compressor mainly consists of working chamber, transmission parts, body and auxiliary parts. The working chamber is directly used to compress the gas, the piston is driven by the piston rod in the cylinder for reciprocating motion, the volume of the working chamber on both sides of the piston changes in turn, the volume decreases on 1 side of the gas due to the pressure increase through the valve discharge, the volume increases on 1 side due to the reduction of air pressure through the valve to absorb the gas.
Nitrogen compressor
Product overview: Nitrogen compressor is the main product of our company, with mature technology and high stability. It mainly includes large and medium-sized natural gas compressors. The exhaust pressure is from 0.1MPa to 25.0MPa, and the exhaust volume is from 0.05m3/min to 20m3/min. There are Z type, D type, V type, W type and other types of compressors for users to choose, as well as explosion-proof nitrogen compressors for users to choose.
Features and performance: The whole machine has the characteristics of long service life, sufficient air volume and convenient maintenance.
Application range: Widely used in nitrogen boosting at the back end of nitrogen generators, nitrogen replacement for chemical plants and gas gas units, nitrogen filling bottles, nitrogen well injection, etc.

Nitrogen compressor product specifications

Model Inlet pressure
Outlet pressure
Flow(Nm3/h) Rated speed(Rpm) Moter power
ZW-0.6/2-25 0.2 2.5 90 740 30
ZW-1.5/1-12 0.1 1.2 180 730 22
ZW-1.4/2-40 0.2 4 250 740 37
ZW-1.3/4-25 0.4 2.5 340 980 37
VW-7.2/2.5-6 0.25 0.6 1200 980 45
VW-15/0.5-3 0.05 0.3 1200 980 75
VW-9.7/1-10 0.1 1.0 1100 985 110
VW-7.2/1-22 0.1 2.2 800 985 132
DW-1.2/2-150 0.2 15 400 740 45
DW-0.5/20-160 2.0 16 600 740 75
DW-3.8/10-45 1.0 4.5 2300 740 185
DW-11/4-20 0.4 2.0 3000 740 250

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After-sales Service: 18 Months
Warranty: 18 Months
Lubrication Style: Lubricated
Cooling System: Water Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Angular


air compressor

What Is the Noise Level of Gas Air Compressors?

The noise level of gas air compressors can vary depending on several factors, including the compressor’s design, engine type, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

1. Compressor Design:

The design of the gas air compressor can influence its noise level. Some compressors are engineered with noise reduction in mind, utilizing features such as sound insulation, vibration dampening materials, and mufflers to minimize noise generation. Compressors with enclosed cabinets or acoustic enclosures tend to have lower noise levels compared to open-frame compressors.

2. Engine Type:

The type of engine used in the gas air compressor can impact the noise level. Gas air compressors typically use internal combustion engines powered by gasoline or propane. Gasoline engines tend to produce higher noise levels compared to diesel engines or electric motors. However, advancements in engine technology have led to quieter gasoline engines with improved noise control.

3. Operating Conditions:

The operating conditions of the gas air compressor can affect the noise level. Factors such as the load capacity, speed of operation, and ambient temperature can influence the amount of noise generated. Compressors operating at higher loads or speeds may produce more noise compared to those running at lower levels.

4. Noise-Reducing Features:

Some gas air compressors are equipped with noise-reducing features to minimize sound emissions. These may include built-in silencers, acoustic enclosures, or noise-absorbing materials. Such features help dampen the noise produced by the compressor and reduce its overall noise level.

5. Manufacturer Specifications:

Manufacturers often provide noise level specifications for their gas air compressors. These specifications typically indicate the sound pressure level (SPL) in decibels (dB) at a specific distance from the compressor. It is important to refer to these specifications to get an idea of the expected noise level of a particular compressor model.

6. Distance and Location:

The distance between the gas air compressor and the listener can impact the perceived noise level. As sound waves disperse, the noise level decreases with distance. Locating the compressor in an area that is isolated or distant from occupied spaces can help minimize the impact of noise on the surrounding environment.

It is important to note that gas air compressors, especially those used in industrial or heavy-duty applications, can generate substantial noise levels. Occupational health and safety regulations may require the use of hearing protection for individuals working in close proximity to loud compressors.

Overall, the noise level of gas air compressors can vary, and it is advisable to consult the manufacturer’s specifications and consider noise-reducing features when selecting a compressor. Proper maintenance, such as regular lubrication and inspection of components, can also help minimize noise levels and ensure optimal performance.

air compressor

How Do You Transport Gas Air Compressors to Different Job Sites?

Transporting gas air compressors to different job sites requires careful planning and consideration of various factors. Here’s a detailed explanation:

1. Equipment Size and Weight:

The size and weight of the gas air compressor are crucial factors to consider when planning transportation. Gas air compressors come in different sizes and configurations, ranging from portable units to larger, skid-mounted or trailer-mounted compressors. Assess the dimensions and weight of the compressor to determine the appropriate transportation method.

2. Transportation Modes:

Gas air compressors can be transported using different modes of transportation, depending on their size, weight, and distance to the job site:

  • Truck or Trailer: Smaller gas air compressors can be loaded onto a truck bed or trailer for transportation. Ensure that the vehicle or trailer has the necessary capacity to accommodate the weight and dimensions of the compressor.
  • Flatbed or Lowboy Trailer: Larger gas compressors or skid-mounted units may require transportation on a flatbed or lowboy trailer. These trailers are designed to carry heavy equipment and provide stability during transportation.
  • Shipping Container: For long-distance transportation or international shipments, gas air compressors can be transported in shipping containers. The compressor must be properly secured and protected within the container to prevent any damage during transit.

3. Securing and Protection:

It is essential to secure the gas air compressor properly during transportation to prevent shifting or damage. Use appropriate tie-down straps, chains, or fasteners to secure the compressor to the transport vehicle or trailer. Protect the compressor from potential impacts, vibrations, and weather conditions by using suitable covers, padding, or weatherproof enclosures.

4. Permits and Regulations:

Depending on the size and weight of the gas air compressor, special permits or escorts may be required for transportation. Familiarize yourself with local, state, and federal regulations regarding oversize or overweight loads, and obtain the necessary permits to ensure compliance with transportation laws.

5. Route Planning:

Plan the transportation route carefully, considering factors such as road conditions, height and weight restrictions, bridges, tunnels, and any other potential obstacles. Identify alternative routes if needed, and communicate with transportation authorities or agencies to ensure a smooth and safe journey.

6. Equipment Inspection and Maintenance:

Prior to transportation, conduct a thorough inspection of the gas air compressor to ensure it is in proper working condition. Check for any leaks, damage, or loose components. Perform routine maintenance tasks, such as oil changes, filter replacements, and belt inspections, to minimize the risk of equipment failure during transportation.

In summary, transporting gas air compressors to different job sites requires considering factors such as equipment size and weight, choosing appropriate transportation modes, securing and protecting the compressor, obtaining necessary permits, planning the route, and conducting equipment inspection and maintenance. Careful planning and adherence to transportation regulations contribute to the safe and efficient transportation of gas air compressors.

air compressor

Are There Different Types of Gas Air Compressors Available?

Yes, there are different types of gas air compressors available, each designed to suit specific applications and requirements. These different types vary in terms of design, power source, configuration, and intended use. Here’s a detailed explanation of the various types of gas air compressors:

1. Reciprocating Gas Air Compressors:

Reciprocating gas air compressors, also known as piston compressors, use a reciprocating motion of one or more pistons to compress the air. These compressors are commonly used for small to medium-scale applications and are available in both single-stage and two-stage configurations. Single-stage compressors compress the air in a single stroke, while two-stage compressors use an additional cylinder for further compression, resulting in higher pressures.

2. Rotary Screw Gas Air Compressors:

Rotary screw gas air compressors utilize two interlocking helical screws to compress the air. These compressors are known for their continuous and efficient operation, making them suitable for demanding industrial applications. They are often used in industries such as manufacturing, construction, and automotive where a constant supply of compressed air is required.

3. Rotary Vane Gas Air Compressors:

Rotary vane gas air compressors use a rotor with sliding vanes to compress the air. As the rotor rotates, the vanes slide in and out, creating compression chambers that compress the air. These compressors are compact, reliable, and often used for smaller-scale applications or in situations where space is limited.

4. Centrifugal Gas Air Compressors:

Centrifugal gas air compressors operate by accelerating the air using a high-speed impeller. The accelerated air is then redirected into a diffuser, which converts the velocity energy into pressure energy. These compressors are commonly used for large-scale applications requiring high volumes of compressed air, such as in power plants, refineries, or chemical processing industries.

5. Oil-Free Gas Air Compressors:

Oil-free gas air compressors are designed to provide clean, oil-free compressed air. They feature special sealing mechanisms and materials to prevent oil contamination in the compressed air. These compressors are commonly used in industries where oil-free air is essential, such as food and beverage processing, pharmaceuticals, electronics manufacturing, and painting applications.

6. Portable Gas Air Compressors:

Portable gas air compressors are specifically designed for mobility and ease of transportation. These compressors often feature wheels, handles, or trailers for convenient movement. They are commonly used in construction sites, remote job locations, outdoor events, or other situations where compressed air is needed at different locations.

7. High-Pressure Gas Air Compressors:

High-pressure gas air compressors are designed to generate compressed air at elevated pressures. These compressors are used in applications that require air pressure higher than the standard range, such as in diving operations, breathing air systems, or specialized industrial processes.

8. Biogas Air Compressors:

Biogas air compressors are specifically designed to compress biogas, which is generated from the decomposition of organic matter. These compressors are used in biogas production facilities, landfills, wastewater treatment plants, or agricultural operations where biogas is produced and utilized as an energy source.

These are just a few examples of the different types of gas air compressors available. Each type has its own advantages and is suitable for specific applications based on factors such as required airflow, pressure, mobility, oil-free operation, and environmental considerations. It’s important to choose the appropriate type of gas air compressor based on the specific needs of the application to ensure optimal performance and efficiency.

China wholesaler Low Pressure Oil-Free Air-Cooled Oxygen Nitrogen Natural Gas Reciprocating Piston Compressor Manufacturer   portable air compressorChina wholesaler Low Pressure Oil-Free Air-Cooled Oxygen Nitrogen Natural Gas Reciprocating Piston Compressor Manufacturer   portable air compressor
editor by CX 2024-01-31

China Low Pressure Two-Stage Compression Pm VSD Screw Air Compressor air compressor oil

Solution Description

Merchandise Description

Product Parameters

Model Motor Power Maximum Working Stress Free Air Delivery Air Outlet Pipe Diameter Fat Dimensions(L*W*H)
kW hp bar(g) psig m³/min cfm kg mm
BG50APMII 37 50 4 fifty eight 10.3  364 G2″ 1600 2100*1300*1650
five 73 nine.5  335
BG60APMII 45 60 four fifty eight twelve.2  431 G2″ 1650 2100*1300*1650
5 seventy three eleven.5  406
BG75APMII 55 75 4 58 15.5  547 G2″ 1700 2100*1300*1650
five seventy three fourteen.5  512
BG100APMII 75 100 4 fifty eight 19.5  689 DN80 2700 2500*1650*1900
5 seventy three 19.0  671
BG125APMII 90 125 4 fifty eight 24.5  865 DN80 2800 2500*1650*1900
five 73 23.0  812
BG150APMII 110 150 four fifty eight 28.0  989 DN80 2900 2500*1650*1900
5 seventy three 27.5  971
BG180APMII 132 180 four fifty eight 36.0  1271 DN100 3100 3000*1900*1950
five seventy three 34.0  1201
BG220APMII 160 220 4 fifty eight forty six.0  1624 DN100 4400 3000*1900*1950
five 73 42.0  1483
BG250APMII 185 250 4 fifty eight 52.0  1836 DN125 5500 3600*2200*2200
five seventy three 45.0  1589
BG270APMII 200 270 4 58 fifty seven.0  2013 DN125 6000 3600*2200*2200
5 73 fifty one.5  1819
BG300APMII 220 300 four 58 sixty two.0  2190 DN150 6800 4000*2300*2300
five seventy three 55.0  1942
BG340APMII 250 340 4 fifty eight 65.0  2295 DN150 7500 4000*2300*2300
five 73 sixty one.0  2154

Business Profile

Wallboge is a higher-tech enterprise and is regarded 1 of the top manufacturers of air compressor goods in China. Our purpose is to supply outstanding consumer services coupled with top quality goods and vitality conserving solutions.

Wallboge’ s principal companies focus in subsequent crucial regions:

Built-in screw air compressor for laser reducing
Long term magnet variable frequency screw air compressor
Two-stage compression long lasting magnet variable frequency screw air compressor
Low strain two-phase compression long term magnet variable frequency screw air compressor
Lower pressure permanent magnet variable frequency screw air compressor
H2o-lubricated oil-totally free screw air compressor
Mounted pace screw air compressor
Oil-free of charge screw blower
Screw vacuum pump

At Wallboge, we generate our customers’ believe in and gratification by producing the excellent high quality compressed air merchandise for all industries. All of our goods are developed for reliable efficiency, straightforward servicing, and greatest vitality effectiveness. Wallboge has been exporting to more than one hundred fifty nations around the world across the world. 

Wallboge continually innovates solution development and management to meet up with customers’ demand from customers. The potent business society and steady innovation make Wallboge enhanced rapidly. Wallboge’ s eyesight is to be a globe-renowned substantial-conclude strength-preserving equipment brand name, with sustainable advancement, continually enhancing its own worth and sharing it with our clients and employees, dedicated to constantly enjoyable the wants of world-wide companies by offering a entire assortment of industrial air compression options.




Soon after Revenue Support

one. 24/7 following income provider in different languages.
two. On-line instruction for set up and commissioning.
three. On-internet site instruction for set up and commissioning presented by effectively-trained engineers or regional approved services centre.
four. Worldwide agents and after revenue service accessible.

Our Benefits

1. Confirmed solution top quality.
two. Manufacturing facility direct costs.
3. On-time shipping and delivery.
4. Prompt complex support in diverse languages just before revenue, in sales and right after revenue.
5. Tiny orders accepted to check out good quality 1st.
6. OEM & ODM services obtainable.



Q1: Are you a factory or a buying and selling firm? 
A1: We are a manufacturing facility. Make sure you examine our Organization Profile.

Q2: What is the specific handle of your manufacturing facility? 
A2: No. 588, East Tonggang Road, Shaxi City, HangZhou Town, ZheJiang Province, China

Q3: What is your delivery time?
A3: For normal voltage, the supply time is fifteen doing work times after you affirm the get. For non-standard voltage, remember to make contact with our product sales to validate the supply time.

This fall: What kind of payment terms do you acknowledge?
A4: We take T/T, L/C at sight.

Q5: How long is the warranty of your air compressor?
A5: 2 several years for the entire air compressor besides consumable spare parts.

Q6: How prolonged could your air compressor be employed?
A6: Normally, more than ten a long time.

Q7: What is your MOQ need?
A7: 1 unit.

Q8: Can you provide OEM & ODM service?
A8: Indeed, with a specialist layout staff, we can offer OEM & ODM support.

US $27,500-30,000
/ Unit
1 Unit

(Min. Order)


After-sales Service: Engineers Available to Overseas Service.
Warranty: 2 Years
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type




Model Motor Power Maximum Working Pressure Free Air Delivery Air Outlet Pipe Diameter Weight Dimensions(L*W*H)
kW hp bar(g) psig m³/min cfm kg mm
BG50APMII 37 50 4 58 10.3  364 G2" 1600 2100*1300*1650
5 73 9.5  335
BG60APMII 45 60 4 58 12.2  431 G2" 1650 2100*1300*1650
5 73 11.5  406
BG75APMII 55 75 4 58 15.5  547 G2" 1700 2100*1300*1650
5 73 14.5  512
BG100APMII 75 100 4 58 19.5  689 DN80 2700 2500*1650*1900
5 73 19.0  671
BG125APMII 90 125 4 58 24.5  865 DN80 2800 2500*1650*1900
5 73 23.0  812
BG150APMII 110 150 4 58 28.0  989 DN80 2900 2500*1650*1900
5 73 27.5  971
BG180APMII 132 180 4 58 36.0  1271 DN100 3100 3000*1900*1950
5 73 34.0  1201
BG220APMII 160 220 4 58 46.0  1624 DN100 4400 3000*1900*1950
5 73 42.0  1483
BG250APMII 185 250 4 58 52.0  1836 DN125 5500 3600*2200*2200
5 73 45.0  1589
BG270APMII 200 270 4 58 57.0  2013 DN125 6000 3600*2200*2200
5 73 51.5  1819
BG300APMII 220 300 4 58 62.0  2190 DN150 6800 4000*2300*2300
5 73 55.0  1942
BG340APMII 250 340 4 58 65.0  2295 DN150 7500 4000*2300*2300
5 73 61.0  2154
US $27,500-30,000
/ Unit
1 Unit

(Min. Order)


After-sales Service: Engineers Available to Overseas Service.
Warranty: 2 Years
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type




Model Motor Power Maximum Working Pressure Free Air Delivery Air Outlet Pipe Diameter Weight Dimensions(L*W*H)
kW hp bar(g) psig m³/min cfm kg mm
BG50APMII 37 50 4 58 10.3  364 G2" 1600 2100*1300*1650
5 73 9.5  335
BG60APMII 45 60 4 58 12.2  431 G2" 1650 2100*1300*1650
5 73 11.5  406
BG75APMII 55 75 4 58 15.5  547 G2" 1700 2100*1300*1650
5 73 14.5  512
BG100APMII 75 100 4 58 19.5  689 DN80 2700 2500*1650*1900
5 73 19.0  671
BG125APMII 90 125 4 58 24.5  865 DN80 2800 2500*1650*1900
5 73 23.0  812
BG150APMII 110 150 4 58 28.0  989 DN80 2900 2500*1650*1900
5 73 27.5  971
BG180APMII 132 180 4 58 36.0  1271 DN100 3100 3000*1900*1950
5 73 34.0  1201
BG220APMII 160 220 4 58 46.0  1624 DN100 4400 3000*1900*1950
5 73 42.0  1483
BG250APMII 185 250 4 58 52.0  1836 DN125 5500 3600*2200*2200
5 73 45.0  1589
BG270APMII 200 270 4 58 57.0  2013 DN125 6000 3600*2200*2200
5 73 51.5  1819
BG300APMII 220 300 4 58 62.0  2190 DN150 6800 4000*2300*2300
5 73 55.0  1942
BG340APMII 250 340 4 58 65.0  2295 DN150 7500 4000*2300*2300
5 73 61.0  2154

The Air Compressor Is a Versatile Tool

The Air Compressor is one of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.


Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.


What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?


When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.


Electricity in an air compressor is not cheap. A 25 HP air compressor runs for ten hours each day, five days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for three hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to four thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.

Variable frequency drive

The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of six to seven bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is one of the best investments in your compressor. So, why wait any longer?

China Low Pressure Two-Stage Compression Pm VSD Screw Air Compressor     air compressor oilChina Low Pressure Two-Stage Compression Pm VSD Screw Air Compressor     air compressor oil
editor by czh 2023-01-15

China OEM 4bar Low Pressure Oil Flooded Electric Air Compressor with Best Sales

Merchandise Description

4bar Low Pressure Oil Flooded Electric Air Compressor (KE110L-4)

Developed especially to provide 3-5 bar with maximum CZPT performance, CZPT Low Force sequence is an innovative rotary screw compressor properly suited for minimal-stress programs this sort of as textiles business, cement market, glass blowing market, h2o treatment method business, creating resources and chemical sector.
Preserving twenty-fifty% CZPT Consumption
These days, most of the consumers are working 7-8 bar compressors with strain minimizing valve at discharge when only 3-5 bar program air stress is required, this brings about large CZPT wastage. By choosing Adekom’s Minimal Force collection rotary screw air compressor, you can count on specific functioning pressure of air you require but make significantly greater air capability at the same motor rating which equivalent to preserving of twenty-fifty% electrical power cost. This massive conserving can shorten the investment payback period to as rapid as 1 12 months and it proceeds to pay out you back again with each hour of installation!

Product Characteristics
Large diameter rotors with reduced rotation velocity can obtain greater effectiveness, decrease noise degree, less vibration and consume much less electrical power.Specially made inlet air filter that stops dust and airborne contaminants from CZPT compressor parts and causing hurt or untimely use.Huge proportions substantial efficiency oil separation system to guarantee oil carryover in discharge compressed air significantly less than 3 ppm.
Much more CZPT saving
No matter whether you are new investments, or exchange the current .7-.8 Mpa air compressors, our reduced-stress twin-screw compressor can save far more electrical power expense for you.

ADEKOM Low Force Rotary Screw Compressor comply with China CZPT Label Course 2 standard, in accordance to Chinese legal guidelines and rules this enables our buyers to decrease cash flow tax by 10% of investment decision value.

one.   The enlarged high efficiency air-cooled aftercooler of Low Strain Inverted Managed Screw Compressor is particularly developed for Asia CZPT climate. This assures perfect managing temperature below higher ambient temperature, high humidity atmosphere but maintaining adequate air potential and functioning stress.

2.   Big ability designs undertake double cooling supporter design and style for Low Pressure Electric Air Compressor. The initial cooling fan begins up with the compressor and the second 1 starts off up only when the working temperature exceeds 80°C and it stops when again underneath 70°C in buy to conserve energy.

3.   Highly productive, entirely enclosed fan-cooled (T. E. F. C.), IP55, class F electric motor with S. F. 1.15 and S1 responsibility is fitted with substantial good quality high velocity bearings from “SKF” with design and style support daily life of 100,000 operating hours to CZPT round-the-clock operation without having failure.

four.   The latest European patented multi-stage air/oil separation system to assure lower residual oil material of less than 1-3 ppm. This exceeds any global regular of oil injected rotary screw air compressor and is specifically appropriate for buyers with thoroughly clean air for purposes.

5.   Electronic parts of IP54 automated handle panel such as relays, contactors, section security relays and overload relays are from named brand name Siemens to provide safe and reliable Low Force VSD Screw Compressor control resolution.

six.   Double large temperature protection style alerts the user when the air/oil temperature exceeds 100°C and outings the compressor when the running temperature reaches 105°C. Two temperature transducers perform independently to much better safeguard the airend in opposition to in excess of-temperature.

7.   Almost all oil and air pipes in CZPT screw compressors are manufactured from top quality metal tube with precision hydraulic screw connections to steer clear of oil or air leakage.

8.   Low to medium capacity model with its motor baseplate equipped with car-10sioning system that automatically adjusts the tension of the transmission belts large potential model with its motor related directly with airend through versatile coupling. This assures higher energy transmission efficiency and upkeep-free of charge procedure.

9.   The internal elements consisting of compressor air stop, major electric powered motor, air/oil separator vessel and enthusiast/cooler block are organized properly to aid simple and time conserving regimen upkeep with direct and effortless access to all parts.1.   The enlarged high efficiency air-cooled aftercooler is particularly made for Asia CZPT climate. This guarantees excellent running temperature below substantial ambient temperature, large humidity setting but keeping adequate air capacity and doing work strain.

ADEKOM (ASIA PACIFIC) Minimal founded in the late 90’s is a specialized air/gas compressors and therapy system maker with headquarter in Hong Kong. Its partners found in Vicenza, CZPT and Germering, Germany are the world’s foremost producers with world-wide recognition and encounter in planning, production and marketing and advertising of rotary screw air/fuel compressors for decades. Top quality, Dependability and CZPT Performance have been the primary targets of serving consumers all over the world. CZPT follows the firm core of its European partners, is dedicated to the investigation & development, high quality assurance and gratification of customers’ needs. Today, what CZPT can do is not just to supply the very best goods to the marketplace, but to offer THE Overall Answer TO YOUR Wants!

Get in touch with US

Asia CZPT Market: Spencer Lau (Ms.)
European/ Center Japanese/ African Market: Echo Lok (Ms.)

American Industry: Alice Kwok (Ms.)



Choosing the Appropriate Air Compressor For Your Property

You will uncover that air compressors are indispensable resources for a variety of scenarios, which includes garages, home workshops, and basements. These resources can electrical power a assortment of resources, and each and every model is sized to match the occupation at hand. Due to the fact air compressors have only one particular motor, they are lightweight, compact, and effortless to take care of. Using one air compressor to electrical power several equipment will also lessen the wear and tear on specific factors. This write-up will introduce some important qualities to seem for when choosing the proper air compressor for your home.

Good displacement

A good displacement compressor applies strain to a fluid, whereas a centrifugal one does the reverse. A good displacement compressor generates the wanted strain by trapping air and growing its volume. Its discharge valve releases the substantial-strain fuel. These compressors are used in industrial apps and nuclear electrical power plants. The variation amongst a good and unfavorable displacement compressor is that a positive displacement compressor can compress and release air at a steady price.
A optimistic displacement air compressor uses a reciprocating piston to compress air. This reduces the quantity of the air in the compression chamber, and a discharge valve opens when the force reaches the wanted stage. These compressors are used in bicycle pumps and other pneumatic resources. Good displacement air compressors have several inlet ports and have many configurations. Positive displacement air compressors have a one-acting and double-acting piston, and can be oil-lubricated or oil-free of charge.
A optimistic displacement air compressor is various from a dynamic compressor. It attracts air into the compression chambers and then releases the force when the valve is opened. Constructive displacement compressors are typical in industrial applications and are available in one-acting, double-performing, and oil-lubricated designs. Huge piston compressors have ventilated intermediate parts and crossheads on gudgeon pins. Smaller types have permanently sealed crankcases with bearings.

Oil-totally free

Oil-free air compressors have some benefits in excess of their oil-lubricated counterparts. They do not demand lubrication oil simply because they are coated with Teflon. The material has one particular of the least expensive coefficients of friction and is layered, so it slides past other levels with minor hard work. Simply because of this, oil-totally free compressors are inclined to be less costly and even now produce similar efficiency. Oil-totally free compressors are a good option for industrial purposes.
The lifestyle of an oil-free of charge air compressor is significantly more time than an oil-lubricated counterpart. These versions can work up to 2,000 several hours, 4 occasions longer than the common oil-lubed compressor. Oil-free of charge compressors also have a considerably decrease operating sounds than their oil-lubricated counterparts. And because they never want oil alterations, they are quieter. Some even last up to 2,000 hrs.
An oil-free air compressor is a good choice if your application demands higher stages of purity. A number of purposes demand extremely-pure air, and even a fall of oil can result in product spoilage or injury to production tools. In addition to the health hazards, an oil-free air compressor minimizes the expenses related with oil contamination and minimizes leaks. It also removes the require for oil assortment, disposal, and treatment method.
A standard oil-free air compressor is very efficient, requiring only about 18% of the entire load horsepower. Nevertheless, oil-cost-free compressors have a increased threat of untimely failure and are not advisable for big-scale industrial apps. They may also use up to eighteen% of the compressor’s full potential. They may seem desirable, but you must make certain you recognize the positive aspects of an oil-totally free air compressor prior to picking 1 for your industrial apps.


A one-stage air compressor is made to supply the power for a one pneumatic tool or unit. These machines are generally more compact than two-stage compressors and create considerably less heat and energy. These machines usually are not created for hefty-responsibility industries, but they are nonetheless hugely powerful for a range of programs, including automobile stores, gasoline stations, and various production vegetation. They can also be utilized in borewells, as they are suitable for small spaces with reduced air circulation needs.
A single-phase air compressor has a single cylinder and two valves – the inlet and the shipping valves. Both of these valves perform mechanically, with the inlet valve managing torque and the shipping and delivery 1 managing air stress. Generally, solitary-phase compressors are driven by a gas engine, but there are also electric powered models offered. The one-stage air compressor is the most common sort of air compressor. It has a single cylinder, one particular piston, and 1 air cylinder.
The one-phase air compressors are utilized for small projects or individual use. A two-stage air compressor is far more successful for industrial tasks. Its lengthier air stop life can make it far more efficient. It is also a lot more effective for use in the automotive sector, where the engine has numerous cylinders. In basic, solitary-stage compressors require a higher electrical power stage. The single-phase design is perfect for tiny initiatives, while a two-stage one particular is ideal for bigger-scale arsenals.


The cubic foot-per-minute (CFM) of an air compressor is the output of the device. In get to determine the CFM amount, begin by hunting at the compressor’s requirements. You ought to know how numerous cubic ft the unit can hold and how several lbs . for every square inch it can compress. Once you have these details, you can determine the CFM. Now you can use these numbers to select an appropriate air compressor for your wants.
The most frequent way to increase the CFM of an air compressor is to change the regulator down. By turning the dial down, the air compressor will produce a lot more than 10 CFM. You can also consider connecting two output valves. Make confident that the settings are adjusted correctly ahead of you commence. This will guarantee that your air compressor is operating at its greatest performance and lifespan. To enhance the CFM of your air compressor, first verify that your regulator is calibrated for the wanted strain degree.
To calculate the CFM of an air compressor, first determine the tank volume of the device. Then, multiply this quantity by the time it normally takes to fill the tank. Then, divide the outcome by sixty seconds to determine the CFM. Once you know how a lot air your equipment can maintain, you can decide on a ideal air compressor. If you happen to be operating in a confined spot, you must acquire a instrument with a big tank.


The PSI of an air compressor is the force that it can output. A standard air compressor has a gauge connected to the airline at the base, next to it, or in between the two. The gauge tells the actual strain of the air compressor, although the cut-out strain is established by the maker. The company suggests that you established the lower-out force twenty to forty PSI higher than the manufacturing unit advisable stress. If you want to set the pressure for your nail gun, you can use the lower-in and reduce-out pressures on your compressor, and the tank is not going to exceed this selection.
The PSI of an air compressor measures the power that it can provide, which is frequently in kilos for every sq. inch. For most air tools, you need to have at the very least forty to 90 psi. In common, reciprocating air compressors work on an on/off foundation. This partnership is identified as the responsibility cycle. All air compressors are rated for a certain obligation cycle, this kind of as fifty p.c on and twenty-five per cent off.
The Psig of an air compressor is not totally free, as a lot of men and women feel. The PSI of an air compressor is not totally free, but it is important to preserve it for safe operations. If you are possessing problems sustaining a steady strain, think about turning down the PSI of your compressor by 2 psig. This will figure out the essential stress for the device. You will also boost the volume of vitality in the method by one percent.

Power source

The power source for an air compressor is critical in its operation. With out the proper voltage and amperage, air compressors will not function correctly. The electrical power source have to be close to the compressor so that it can plug into an electrical outlet. If it is as well considerably from the outlet, the compressor may not be able to build adequate strain. When this takes place, the fuse inside of the air compressor will change off to shield the user. The power resource must be a risk-free length from the compressor.
Most makers do not specify the energy source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of electrical power. A 1-horsepower compressor would attract about twelve amps. If it ended up run by a typical 120-volt family offer, its motor would exceed the 15-amp breaker capability. A greater air compressor, nonetheless, will call for a individual 15-amp electrical power supply, creating it unattainable to use it with this sort of power resource.
The electricity source for an air compressor is normally electrical alternating present (AC) that is equal to the voltage on a common wall outlet. A a few-stage air compressor, on the other hand, requires a particular AC supply with three electrical offset pulses. Regardless of the sort of air compressor, the power source should be appropriate with the incoming power provider. A single of the most typical problems when trying to connect an air compressor to an AC electricity supply is undersized wire. This results in minimal voltage and substantial amperes, tripping of above-load relays and blown fuses.

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