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China wholesaler 20 HP Belt-Drive Air Compressor best air compressor

Product Description

15kw 20 hp 3-cylinder air compressor 


Product Description
1 Stable performance pump and motor to guarantee the longevity of air compressor.our motor are with thermal protection systerm.

2  100% factory tested at full pressure to make sure the reliability and safety of each product before shipment.

3 Metal cover for protecting the belt and wheels

4  Cast iron cylinder for strength and durability.

5  Spheroidal graphite cast iron crankshafts for maximum strength.

6  Low vibration for smooth operation.

7 Intelligent microcomputer controller available to make your air compressor much convenient, safety and intelligent.

Series MODEL Motor  CYL.DIA.                X              CYL.NO. displacement Outlet pressure SPEED
  W-1.2/30 15/20 copper wire  125×2
1.2 42.37  3.00  30.0  435.12  700




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After-sales Service: Support
Warranty: Support
Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Arrangement: Parallel Arrangement
Cylinder Position: Horizontal


air compressor

How Do Gas Air Compressors Compare to Diesel Air Compressors?

When comparing gas air compressors to diesel air compressors, there are several factors to consider, including fuel efficiency, power output, cost, maintenance requirements, and environmental impact. Here’s a detailed explanation of how these two types of air compressors compare:

1. Fuel Efficiency:

Diesel air compressors are generally more fuel-efficient compared to gas air compressors. Diesel engines have higher energy density and better overall efficiency than gasoline engines. This means that diesel compressors can produce more work output per unit of fuel consumed, resulting in lower fuel costs and longer runtimes between refueling.

2. Power Output:

Diesel air compressors typically provide higher power output compared to gas air compressors. Diesel engines are known for their robustness and ability to generate higher torque, making them suitable for heavy-duty applications that require a larger volume of compressed air or higher operating pressures.

3. Cost:

In terms of upfront cost, gas air compressors are generally more affordable compared to diesel air compressors. Gasoline engines and components are typically less expensive than their diesel counterparts. However, it’s important to consider long-term costs, including fuel expenses and maintenance, which can vary depending on factors such as fuel prices and usage patterns.

4. Maintenance Requirements:

Diesel air compressors often require more regular maintenance compared to gas air compressors. This is because diesel engines have additional components such as fuel filters, water separators, and injector systems that need periodic servicing. Gas air compressors, on the other hand, may have simpler maintenance requirements, resulting in reduced maintenance costs and time.

5. Environmental Impact:

When it comes to environmental impact, diesel air compressors produce higher emissions compared to gas air compressors. Diesel engines emit more particulate matter, nitrogen oxides (NOx), and carbon dioxide (CO2) compared to gasoline engines. Gas air compressors, especially those powered by propane, tend to have lower emissions and are considered more environmentally friendly.

6. Portability and Mobility:

Gas air compressors are generally more portable and easier to move compared to diesel air compressors. Gasoline engines are typically lighter and more compact, making gas air compressors suitable for applications where mobility is essential, such as construction sites or remote locations.

It’s important to note that the specific requirements of the application and the availability of fuel sources also play a significant role in choosing between gas air compressors and diesel air compressors. Each type has its own advantages and considerations, and the choice should be based on factors such as the intended usage, operating conditions, budget, and environmental considerations.

In conclusion, gas air compressors are often more affordable, portable, and suitable for lighter applications, while diesel air compressors offer higher power output, fuel efficiency, and durability for heavy-duty operations. Consider the specific needs and factors mentioned above to determine the most appropriate choice for your particular application.

air compressor

How Do Gas Air Compressors Contribute to Energy Savings?

Gas air compressors can contribute to energy savings in several ways. Here’s a detailed explanation:

1. Efficient Power Source:

Gas air compressors are often powered by gasoline or diesel engines. Compared to electric compressors, gas-powered compressors can provide higher power output for a given size, resulting in more efficient compression of air. This efficiency can lead to energy savings, especially in applications where a significant amount of compressed air is required.

2. Reduced Electricity Consumption:

Gas air compressors, as standalone units that don’t rely on electrical power, can help reduce electricity consumption. In situations where the availability of electricity is limited or expensive, using gas air compressors can be a cost-effective alternative. By utilizing fuel-based power sources, gas air compressors can operate independently from the electrical grid and reduce dependence on electricity.

3. Demand-Sensitive Operation:

Gas air compressors can be designed to operate on demand, meaning they start and stop automatically based on the air requirements. This feature helps prevent unnecessary energy consumption during periods of low or no compressed air demand. By avoiding continuous operation, gas air compressors can optimize energy usage and contribute to energy savings.

4. Energy Recovery:

Some gas air compressors are equipped with energy recovery systems. These systems capture and utilize the heat generated during the compression process, which would otherwise be wasted. The recovered heat can be redirected and used for various purposes, such as space heating, water heating, or preheating compressed air. This energy recovery capability improves overall energy efficiency and reduces energy waste.

5. Proper Sizing and System Design:

Selecting the appropriate size and capacity of a gas air compressor is crucial for energy savings. Over-sizing a compressor can lead to excessive energy consumption, while under-sizing can result in inefficient operation and increased energy usage. Properly sizing the compressor based on the specific air demands ensures optimal efficiency and energy savings.

6. Regular Maintenance:

Maintaining gas air compressors in good working condition is essential for energy efficiency. Regular maintenance, including cleaning or replacing air filters, checking and repairing leaks, and ensuring proper lubrication, helps optimize compressor performance. Well-maintained compressors operate more efficiently, consume less energy, and contribute to energy savings.

7. System Optimization:

For larger compressed air systems that involve multiple compressors, implementing system optimization strategies can further enhance energy savings. This may include employing advanced control systems, such as variable speed drives or sequencers, to match compressed air supply with demand, minimizing unnecessary energy usage.

In summary, gas air compressors contribute to energy savings through their efficient power sources, reduced electricity consumption, demand-sensitive operation, energy recovery systems, proper sizing and system design, regular maintenance, and system optimization measures. By utilizing gas-powered compressors and implementing energy-efficient practices, businesses and industries can achieve significant energy savings in their compressed air systems.

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 20 HP Belt-Drive Air Compressor   best air compressorChina wholesaler 20 HP Belt-Drive Air Compressor   best air compressor
editor by CX 2024-05-10

China Standard Permanent Magnet Screw Compressor Cheap Price Pm VSD Variable Frequency 380V 50Hz 15 Kw 20 HP Rotary Screw Air Compressors with Good quality

Item Description

Product features
One shaft sort framework
1. Permanent magnet motor and airend use the embedded built-in Shaft connecting construction, more compact, one hundred% transmission Performance.
2. No motor bearings, reducing the motor bearing fault details. Diverse speeds, long lasting magnet
motor with higher performance, Impressive power-preserving effect
1. At rated speed point, long term magnet motor efficiency is larger Than common motors.
two. Underneath reduced motor pace, long lasting magnet motor can nonetheless maintain large Motor performance. If the fuel use less, it still keeps incredibly Substantial effectiveness. In comparison with common frequency conversion
three: Motor, the motor performance appears evident gap and the air Compressor has efficient CZPT saving
It has the integrated framework, configuration of high effectiveness Permanent magnet motor, tiny size, preserving area, easy disassembly. Deloying efficient long lasting magnet variable frequency controllor, it Small volume, minimal sounds Can adjust the speed of the everlasting magnet motor in accordance to The exhaust quantity, it will attain reduced procedure sounds than normal Kinds.
4. Everlasting magnet motor has high functionality NdFeB long lasting Magnet, one hundred twenty º Cwithout loss of excitation, and support lifestyle of in excess of fifteen Years.
5. Stator coil adopts unique inverter corona resistant enamelled wire. Insulation efficiency and for a longer time support existence.
six. Noticing gentle begin, the motor recent will not exceed the full load Present in the course of procedure, and tremendously reduce the affect on community Tools, no damage to electrical gear.OSG-EZV collection long lasting magnet compressor Steady procedure.

Power-saving rewards:
a. Permanent magnet motor has substantial functionality NdFeB everlasting Magnet, 120 º Cwithout reduction of excitation, and services life of above 15 Several years.
b. Stator coil adopts special inverter corona resistant enamelled wire. Insulation efficiency and more time provider life.
c. Recognizing soft begin, the motor present will not exceed the entire load Existing for the duration of procedure, and drastically reduce the affect on community Products, no hurt to electrical products.OSG-EZV series everlasting magnet compressor
Energy-preserving advantages:
Condition CZPT conserving
1: The long term magnet motor remains substantial effectiveness at low speeds, guaranteeing Obvious vitality-preserving positive aspects in little air quantity.
two: Frequency selection from %-one hundred% (common conversion from 60%-100%)
three: When compared with the fixed speed compressor, CZPT conserving 22%-40%
four: In contrast with the frequent inverter compressor, CZPT conserving 5%-15%
five: Technique volume fluctuations more substantial, then power-conserving impact a lot more certainly.
six: CZPT preserving program of unloading (inverter):
According to the stationary air compressors in fuel use fluctuation, it has the unloading time, then the air compressor idling but also want 45% of the Electrical energy, but the long lasting-magnet frequency air compressor will management for Inverter, no unloading and no squander. If the air compressor models turn out to be larger,
Power will save far more. Save the squandered electric powered CZPT by force management bandwidth (vitality preserving):
Fastened compressor have to established a minimum management stress for the 1Barg band (i. E. Air Compressor boundaries) to avoid the influence on the device and the electricity grid. Several Machines have to use together with a pressure gradient, far more broad stress, whilst the OSG permanent-magnet variable-frequency Air compressor collection is inverter management,Unlimited quit, no need to set pressure, but a force point on the line. The pressureOf every .14Barg bandwidth, the technique can help save CZPT 1%.
Power conserving startup (inverter):
Air compressor’ s beginning existing is 3-6 moments of the rated existing, the frequently Start will waste a lot of power, and frequency conversion type has no frequent Starting and stopping, but gentle start off. The optimum existing does not exceed the Rated working existing, no CZPT squander. At the exact same time also greatly minimize the Impact on community products, and no injury to electrical equipment OSG firm has acquired a compressor production license(certification NO: XK06-571-0571), has received a quality systemCertificate and general equipment certificate. Product design and style,Producing procedures are rigid in accordance with ISO9001: 2008 top quality method requirements


ZheJiang CZPT Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a foremost high technological innovation of device and equipment maker integrating the design, R&D, generation, sales and service for air compressors & Mining Gear. Adopting superior technology, style notion and top quality handle, and we are CZPT to offer tailored merchandise to satisfy customers’ OEM demands.
Our firm has a lot more than 520 personnel, like 86 senior technicians and expert engineers. Our technical team provides our customers with specialist air method solutions. With the total 15000 sq. meters of the facility, 4 CZPT innovative production lines are created up to guarantee production capacity to meet up with customer requirements.
Our company has been awarded the honorary title of “ZheJiang CZPT organization” and our goods get pleasure from large honors in the market. Our firm has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the pursuing products and services:
one. Screw air compressor
    1.1 Oil-free of charge screw air compressor
    1.2 Oil-injected air compressor
two. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free of charge piston air compressor
    2.3 Piston medium & high-strain air compressor
3.Transportable air compressor & Mining Equipment
    3.1 Diesel or Electric powered moveable screw air compressor
    3.2 Air Choose, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
four. Air compressor accessories
    4.1 CZPT or Adsorption compressed air drier
    4.2 Compressed air filter or tank
    4.3 Lubrication oil
We have a complete system of right after-product sales provider and good quality assurance. The firm’s material acquire, inspection, production, installation, and testing are strictly in accordance with the ISO techniques. which will guarantee each and every compressor has dependable quality and has a complete file to trace, if required.
Q: Do you examination all your merchandise before shipping?
A: Yes, we have one hundred% test prior to shipping and delivery.

Q: How can we start buy with your factory?
A: Initial, depart us an inquiry and advise which product you are intrigued, and then we will make contact with you in 24 hrs. You might be so type if supply all in depth information, will far better for us to know specifically what you want.

Q: What are your MOQ?
A: Distinct merchandise have distinct MOQ, most is 1 set.

Q: What is your conditions of payment?
A: T/T thirty% as deposit, and 70% just before shipping. We will display you the pictures of the items and deals.

Q: How about your shipping and delivery time?
A: Usually, it will consider ninety times after receiving your advance payment. The particular delivery time is dependent on the things and the amount of your purchase.

Q: Do you a trade business or actual manufacturing unit?
A: We are 100% manufacturing unit we positioned in ZheJiang metropolis, China.

The Air Compressor Is a Versatile Instrument

The Air Compressor is a single of the most functional instruments in any garage or workshop. It is straightforward to use and can perform a selection of jobs, from jackhammering to drilling. These devices are offered in a extensive range of sizes and kinds, producing it an superb decision for a selection of scenarios. With a single motor, you no longer require separate motors for every single device. Its lightweight, compact design and style can make it easy to deal with, and the one motor also decreases dress in on parts.


Oil-injected air compressors require a massive amount of lubricant, which needs to be included to the sump often to maintain ideal functionality. As there are numerous types of industrial fluids, a effectively-intentioned upkeep technician may include the wrong lubricant to the compressor. If this takes place, the compressor will grow to be incompatible with the lubricant, resulting in abnormal carryover and the want to flush and replace downstream air treatment factors.
Usually, the G 110-250 oil-injected rotary screw compressor from Atlas Copco offers trustworthy compressed air, protecting against expensive downtime. The G110-250 oil-injected rotary screw compressor is hugely trustworthy and sturdy, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s sturdy design and style, this unit needs extremely small on-web site set up, and it features easy procedure.
The main advantage of oil-injected air compressors is the reduced expense of operating. The expense of oil-free of charge compressors is much less than fifty percent of that of oil-injected ones, and it will require much less servicing charges in the long operate. In addition, the oil-totally free system is far more environmentally helpful than oil-injected air compressors. But the drawbacks of oil-injected air compressors are considerable, way too. It can contaminate completed merchandise and lead to a substantial monetary danger for the manufacturer.
An oil-injected rotary screw air compressor offers numerous benefits over its counterpart. Very first, it characteristics an progressive vertical design with variable-pace generate, permitting it to run much more successfully. Next, oil-injected air compressors minimize vitality usage by up to fifty% compared to non-oil-injected air compressors. They also have a thermostatic valve, enabling them to maintain an the best possible temperature. Thermostatically-regulated oil coolers let the compressor to run more quietly.


What is an oil-totally free air compressor? The name refers to a variety of air compressor that does not have oil in the compressor chamber. Oil-totally free air compressors still use oil for various purposes, which includes lubricating the relocating parts and taking care of squander warmth. Nevertheless, numerous people do not comprehend that their air compressor nonetheless requires oil for appropriate working. This post will check out why this sort of air compressor is preferable for a lot of end users.
Very first of all, oil-free of charge air engineering has numerous rewards. For one, it lowers the strength expense involved in filtering air, and it minimizes leaks. Moreover, it also decreases the oil expenses related with compressor refills. And ultimately, it decreases the dangers of contamination. Oil-cost-free air engineering is the potential of compressed air. If you happen to be hunting for an oil-cost-free air compressor, here’s what to search for in your lookup.
Dependent on the goal of your air compressor, it may be useful to invest in an oil-free of charge air compressor. Oil-lubricated air compressors are generally much more sturdy than their oil-free counterparts, but they might value 2 times as a lot. You ought to still consider the price of possession just before acquiring an oil-free compressor. The oil-totally free designs can be simpler to transport, and they are far more powerful. Additionally, they are quieter than oil-lubed models.
An oil-free of charge air compressor also implies much less maintenance, as it doesn’t want oil to function. This type of air compressors also functions less shifting areas, which signifies fewer areas for difficulties to build. All oil-free of charge air compressors are produced to meet ISO Class and 1 air purity specifications. They also have much less noise and vibration in contrast to their oil-dependent counterparts. So, why not decide on an oil-totally free air compressor for your enterprise?


When choosing a fuel-powered air compressor, it is critical to contemplate the benefits of gasoline. This energy supply can power a big air compressor without having electrical energy. Even so, this type of air compressor lacks electrical hookup, so you are going to require to run an extension cord if you require to use it at a length. Even so, gasoline compressors are in a position to purpose with just a gas tank. This can make them ideal for medium to hefty-obligation industrial purposes.
An additional crucial consideration when choosing a fuel air compressor is its dimensions. Larger compressors are typically bigger than moveable types and need a lot more area. This can make them easier to transportation and work on the go. Nevertheless, if you are not certain which kind of air compressor is ideal for you, think about the fuel-driven variations. While they may possibly be lighter, they never operate as effortlessly as their electric powered counterparts. Gasoline-driven compressors are not as portable as their electric powered counterparts and require appropriate maintenance.

Electrical energy

Electric power in an air compressor is not inexpensive. A twenty five HP air compressor runs for ten hours every single working day, 5 days a 7 days. The motor in these machines consumes 746 watts for every hour. To uncover out how considerably electrical energy the products makes use of, multiply the wattage by the operating time. For illustration, if the compressor runs for 3 hrs, then it will use 1.9 kilowatt hrs of electric power. To establish how a lot electrical power an air compressor utilizes for every day, you can compute the kilowatt hrs and multiply the quantity by the utility price. Considering this, you can figure out the price of managing your air compressor as soon as per thirty day period.
The cost of functioning an air compressor relies upon on the variety of compressor. Electric powered air compressors are frequently silent and can operate without any routine maintenance. These equipment can be left unattended for up to four thousand several hours before necessitating repair. Electric powered air compressors need greater electricity for higher force, so you ought to plan appropriately. No matter whether or not you want a routine maintenance pay a visit to is up to you, but the benefit of not possessing to spend a fortune on repairs is priceless.
Even though compressed air is not an energy-efficient source, its use in a variety of apps may conserve you cash and kilowatts. Given that an air compressor employs electrical power when it is working, the expense is decrease than the price of working a electrical power tool. If you prepare to use your air compressor for a extended time, make sure that it is preserved appropriately. Correct care will preserve you money and energy, and you may even be in a position to get an prolonged guarantee if the compressor breaks down.

Variable frequency drive

The main goal of a variable frequency drive (VFD) in an air compressor is to reduce vitality usage in the procedure of compression. A solitary motor drag program can’t adjust its speed continuously according to the excess weight of the load. By making use of frequency manage to the compressor, the electrical power consumption can be decreased whilst maintaining the same pressure amount. Therefore, a VFD is an superb option for compressors. Its benefits are quite a few.
A VFD can also keep track of the temperature of the motor and send mistake indicators if the motor is managing way too sizzling or also cold. This gets rid of the require for a independent sensor to check the oil force. These functions are helpful not only in decreasing power use, but also in bettering the efficiency of an software. Additionally, a VFD can keep an eye on extra variables such as temperature and motor pace. That’s why, it is a beneficial investment decision.
When making use of a VFD, it is essential to select the appropriate motor. The velocity of the compressor ought to be inside the highest beginning restrict of the motor. The air tank might be of any dimension, but a consistent pressure limit is needed to hold the VFD operating in the service aspect of the motor. In addition to a VFD, a learn controller ought to also include a remote pressure set position and a PID card for a grasp controller. The transmitter must include all valuable knowledge from the VFD, such as the speed and the oil temperature. The VFD need to be tested just before it is integrated with the master handle. It need to be examined for min and max pace, temperature, and present in the predicted range.
The use of a VFD in an air compressor has many positive aspects. One particular of the most noteworthy is the reduction in power usage. Fastened-pace compressors operate on set points of six to seven bar. An added bar of compression uses 7 % of power. This strength is wasted. A VFD-driven air compressor can also improve the lifestyle span of compressor components. It is one of the best investments in your compressor. So, why hold out any for a longer time?

China Standard Permanent Magnet Screw Compressor Cheap Price Pm VSD Variable Frequency 380V 50Hz 15 Kw 20 HP Rotary Screw Air Compressors     with Good qualityChina Standard Permanent Magnet Screw Compressor Cheap Price Pm VSD Variable Frequency 380V 50Hz 15 Kw 20 HP Rotary Screw Air Compressors     with Good quality