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China Best Sales 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor best air compressor

Product Description

      

   Specification
  Model Capacitiy (FAD)M3/min Power kw Noise level db Weight KG
7bar 8.5bar 10bar Water Cooling Air Cooling
OFA1 OFA15 2.4 2.1 1.8 15 74   1,030
OFA22 3.7 3.2 2.7 22 74   1,070
OFA30 4.8 4.4 4.0 30 74   1,300
OFA37 5.9 5.3 5.0 37 74   1,355
OFA45 7.0 6.5 6.1 45 74   1,390
OFA2 OFA55 9.2 7.9 7.3 55 74   1,860
OFA75 12.2 11.2 10.7 75 74   1,935
OFA90 14.7 13.5 12.7 90 74   2,000
OFA3 OFA110 19.3 17.2 16.0 110 74   3,660
OFA132 22.9 19.5 18.8 132 74   3,700
OFA4 OFA160 29.4 25.7 23.8 160 74   5,300
OFA200 36.6 33.1 30.4 200 74   5,380
OFA250 44.5 41.0 37.4 250 74   5,450
OFA275 47.4 43.0 41.0 275 74   5,500
OFA5 OFA315 51.5 47.6 46.0 315 74   6,000
OFA355 56.3 52.6 50.4 355 74   9,050
OFW1 OFW37 5.9 5.3 5.0 37 74 1,355  
OFW45 7.0 6.5 6.1 45 74 1,450  
OFW2 OFW55 8.8 7.9 7.3 55 74 1,800  
OFW75 11.9 11.2 10.7 75 74 1,850  
OFW90 14.3 13.5 12.7 90 74 1,925  
OFW3 OFW110 19.1 17.1 16.0 110 74 2,635  
OFW132 21.9 19.6 18.9 132 74 2,760  
OFW4 OFW160 28.3 26.1 24.2 160 74 3,850  
OFW200 36.1 33.1 30.4 200 74 4,000  
OFW250 43.1 41.0 37.0 250 74 4,100  
OFW275 46.4 43.0 41.0 275 74 4,300  
OFW5 OFW315 50.9 47.6 46.0 315 74 6,550  
OFW355 56.3 52.6 50.4 355 74 6,950  
OFW400 62.1 57.8 55.8 400 74 7,050  
OFW450 76.5 71.5 63.8 450 74 8,400  
OFW500 83.9 78.3 73.1 500 74 8,400  
OFW630 102.9 95.7 89.0 630 74 9,125  
OFW750 122.8 109.6 101.8 750 74 9,225  

                                             Company Profile

ZheJiang Napu compressor Technology Co.,LTD was established in 2012  based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors . 
       With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.   
        The company is also compliant with ISO 9001:14001 and is CZPT in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
         Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.

 

                                              Product Features

1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted

 

                                                         FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
 
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
   
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
 
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO  and certificate as clients’ demande.
 
 
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
    2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
  
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.

      

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air-compressor

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with two digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between forty percent and eighty percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China Best Sales 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor   best air compressorChina Best Sales 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor   best air compressor
editor by CX 2023-05-16

China supplier Ga7 VSD Ipm 7.5kw 12.5bar 0.49-0.79m3/Min Variable Speed Drive CZPT Rotary Permanent Magnet Screw Air Compressors with Hot selling

Merchandise Description

We are authorized distributer of CZPT copco, we could provide total item line of
CZPT air compressors , spare areas and consumables. we are also
certified supplier by global authoritative certification
businesses.

Kindly suggest your specialized specifications, we will advocate suitable
compressed air system and spare components for you .

We can give CZPT One particular-End Support,and productive energy – conserving answers for you .

Products Description
 

GA 7-seventy five VSD iPM collection Oil-Injected screw air compressors,If you require more specialist technological

Industrial tools, printing service, pipelines,power plants, oil&gasoline, oil refinery, coating, portray,
plastics, steel business, rubber, mechanical, blow molding, color sorter machine, shipyard, sandblasting, 
metallurg,and many others.

Various industries correspond to diverse air compressors, kindly make sure you deliver me your application
places and particular circumstances, then will recommend the most suited products for you .

 Shipping and delivery
We can supply CZPT standard packaging or OEM packaging.


one Q: How about  the quality of merchandise ?

   A: We are licensed distributer of CZPT Copco. Will not worry the top quality and service.

two Q: How prolonged is your  delivery direct time ?

   A: If there is stock, the lead time is about 3 operating days soon after we get the payment, if need to have to
       be created, it depends.

three Q: How about your abroad after-sale provider?

   A: (1)Provide customers with intallation and commissioning online recommendations.

       (2)Around the world brokers and sfter services offered.

four Q: Can you acknowledge OEM&ODM orders?

   A: Of course, we have professional style staff, OEM&ODM orders are extremely welcomed.

 

How to Decide on the Correct Air Compressor

An air compressor utilizes pressurized air to energy a selection of resources. They are most commonly used to electrical power nailers and influence wrenches. Other common employs for air compressors include paint sprayers and impact wrenches. Although all air compressors have the same fundamental construction, their specialty differs. Ultimately, their differences appear down to the amount of air they can press. Read through on for details on every single sort of air compressor. These equipment are fantastic for several different needs, and deciding on the proper air compressor depends on your certain demands.
air-compressor

Electric powered motor

Even though buying an electrical motor for air compressor, compatibility is a important factor. Not all motors work with the very same type of air compressor, so it is crucial to verify the manufacturer’s recommendations before buying. By performing this, you can stay away from squandering income on an incompatible motor. Another essential thing to consider is speed. A motor’s velocity is its fee of rotation, measured in revolutions for every minute. It is essential that you acquire a motor with sufficient velocity to meet the needs of your air compressor.
Generally, an electric motor for air compressor is 1.5 hp. It is best for use with medical tools and steel-cutting equipment. It also performs effectively below steady procedure and gives a substantial performance and strength-saving functionality. In addition, it attributes an attractive cost, creating it a very good choice for a vast variety of applications. If you are seeking for a motor for an air compressor, look no additional than a ZYS series.
A motor’s protection course implies how the motor will run. Safety courses are specified by the IEC 60034-5. These are stated with two digits and symbolize the safety towards strong objects and h2o. For case in point, an IP23 score indicates that the motor will be secured from reliable objects, while IP54 means that it will safeguard from dust and drinking water sprayed from all directions. It is essential to choose a motor with the appropriate protection class for your air compressor.
When deciding on an electrical motor, you should think about no matter whether it’s compatible with the brand name of air compressor. Some may possibly be compatible, while other folks might call for advanced electronics capabilities to restore. Nonetheless, most air compressors are protected by guarantee, so it’s critical to check out with the manufacturer if the warranty is nevertheless in impact just before you commit a dime on a alternative. The motor need to be replaced if it has unsuccessful to execute as created.
air-compressor

Oil bathtub

Air compressors need appropriate lubrication to function effectively. The piston have to draw air with minimum friction. Relying on their layout, air compressors can possibly be oil-lubricated or oil-totally free. The former uses oil to minimize piston friction, even though the latter splashes it on the cylinder bearings and walls. Such air compressors are generally known as oil-flooded air compressors. In get to hold their oil baths thoroughly clean, they are suggested for use in locations with higher dust stages.

Start off/end management

An air compressor can be managed by a commence/quit management. This variety of management sends a signal to the principal motor that activates the compressor when the demand for air falls beneath a preset limit. This manage strategy is effective for more compact air compressors and can be useful for decreasing vitality costs. Commence/stop manage is most efficient in applications where air force does not modify regularly and exactly where the compressor is not required to operate constantly.
To troubleshoot this issue, you need to check the electrical power provide of your compressor. To check the offer facet, use a voltage check to determine if electricity is flowing to the compressor. Make sure that the energy provide to the compressor is continual and stable at all moments. If it fluctuates, the compressor might not start off or cease as expected. If you can’t discover the issue with the air compressor electrical power source, it may be time to exchange it.
In addition to the commence/stop control, you may want to acquire additional air receivers for your air compressor. These can enhance the ability of air saved and decrease the amount of times it starts and stops. An additional way to lessen the number of starts for every hour is to incorporate a lot more air receivers. Then, you can alter the management to match your requirements. You can also put in a stress gauge that displays the compressor’s performance.
Start off/end manage for air compressors can be sophisticated, but the fundamental parts are comparatively straightforward to understand. One way to examination them is to switch the compressor on or off. It is normally located on the exterior of the motor. If you are unsure of the place of these factors, check the capacitors and make certain that the air compressor is not running even though you are not utilizing it. If it does, try out to eliminate the capacitor.
Variable displacement management is another way to modify the amount of air flowing into the compressor. By controlling the quantity of air, the manage can delay the use of further compressors until finally a lot more required air is available. In addition to this, the unit can also monitor the vitality used in the compressor. This handle approach can end result in sizeable power savings. You can even preserve on the quantity of electric power by utilizing variable displacement handle. It is essential for successful compressed air systems.
air-compressor

Variable pace drive

A VFD, or variable frequency push, is a type of electrical motor that adjusts its pace to match the need for air. It is an successful way to decrease power expenses and improve program dependability. In truth, scientific studies have shown that a 20% reduction in motor velocity can help save up to fifty% of vitality. In addition, a VFD can check further variables this sort of as compressor oil pressure and motor temperature. By removing manual checks, a VFD will boost the functionality of the application and reduce working expenses.
In addition to decreasing power charges, variable-speed drives also boost productiveness. A variable-speed air compressor minimizes the danger of system leaks by thirty %. It also minimizes the risk of technique leaks by reducing strain in the system. Due to the fact of these positive aspects, several governments are promoting this technology in their industries. A lot of even offer you incentives to support organizations upgrade to variable-pace drives. As a result, the variable-pace drive can advantage a lot of air compressor installations.
1 key reward of a variable-speed push is its capacity to optimize strength use. Variable frequency drives are able to ramp up and down to match the demand from customers for air. The goal is to enhance the pressure and movement in the program so that the very best “dead band” occurs in between forty p.c and eighty per cent of entire load. A variable-speed compressor will also increase strength efficiency due to the fact of its programmability.
A variable-pace air compressor can also be used to manage the amount of air that is compressed by the technique. This characteristic adjusts the frequency of electrical power supplied to the motor based on the demand from customers. If the need for air is lower, the frequency of the motor will lessen to save strength. On the other hand, if there is an surplus demand for air, the variable-velocity compressor will improve its pace. In addition, this type of air compressor is far more efficient than its set-pace counterpart.
A VFD has many rewards for compressed air programs. 1st, it will help stabilize the force in the pipe network, thus minimizing the electrical power losses due to upstream force. It also assists minimize the electricity consumption induced by fluctuations in upward pressure. Its benefits are also much-reaching. And as lengthy as the air force and air provide is properly sized, a VFD will assist enhance the efficiency of compressed air systems.

China supplier Ga7 VSD Ipm 7.5kw 12.5bar .49-.79m3/Min Variable Speed Travel CZPT Rotary Long term Magnet Screw Air Compressors     with Very hot marketingChina supplier Ga7 VSD Ipm 7.5kw 12.5bar .forty nine-.79m3/Min Variable Velocity Generate CZPT Rotary Everlasting Magnet Screw Air Compressors     with Very hot promoting