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China wholesaler 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor air compressor lowes

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

A Buyer’s Guide to Air Compressor Types

There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with two pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.

Single-stage air compressors

A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the two types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last nine to eighteen months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
air-compressor

Rotary vane compressors with low-noise models

If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for two to five diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose one with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.

China wholesaler 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor   air compressor lowesChina wholesaler 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor   air compressor lowes
editor by CX 2023-05-22

China Professional Ga15 VSD Ipm 15kw 4bar 0.44-2.25m3/Min Variable Speed Drive CZPT Rotary Permanent Magnet Screw Air Compressors with Best Sales

Merchandise Description

We are approved distributer of CZPT copco, we could offer total product line of
CZPT air compressors , spare areas and consumables. we are also
certified supplier by global authoritative certification
corporations.

Kindly recommend your technological demands, we will suggest appropriate
compressed air method and spare components for you .

We can supply CZPT One-Stop Services,and efficient energy – preserving remedies for you .

Items Description
 

GA 7-75 VSD iPM sequence Oil-Injected screw air compressors,If you need to have a lot more expert technological

Industrial products, printing service, pipelines,electricity plants, oil&gasoline, oil refinery, coating, portray,
plastics, steel business, rubber, mechanical, blow molding, colour sorter machine, shipyard, sandblasting, 
metallurg,etc.

Distinct industries correspond to distinct air compressors, kindly make sure you send out me your application
regions and specific problems, then will recommend the most ideal merchandise for you .

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


one Q: How about  the top quality of goods ?

   A: We are authorized distributer of CZPT Copco. Will not fear the high quality and support.

two Q: How prolonged is your  delivery direct time ?

   A: If there is inventory, the lead time is about 3 working days right after we get the payment, if require to
       be created, it depends.

3 Q: How about your abroad following-sale provider?

   A: (1)Supply buyers with intallation and commissioning online guidelines.

       (2)Worldwide brokers and sfter provider available.

four Q: Can you acknowledge OEM&ODM orders?

   A: Sure, we have professional design and style group, OEM&ODM orders are extremely welcomed.

 

The Air Compressor Is a Versatile Tool

The Air Compressor is one particular of the most adaptable tools in any garage or workshop. It is straightforward to use and can complete a range of responsibilities, from jackhammering to drilling. These equipment are available in a vast range of dimensions and types, creating it an exceptional choice for a range of conditions. With a one motor, you no more time require different motors for each resource. Its light-weight, compact layout helps make it effortless to manage, and the single motor also decreases wear on elements.
air-compressor

Oil-injected

Oil-injected air compressors demand a huge amount of lubricant, which requirements to be added to the sump often to sustain ideal overall performance. As there are many varieties of industrial fluids, a nicely-intentioned routine maintenance technician could insert the wrong lubricant to the compressor. If this occurs, the compressor will turn out to be incompatible with the lubricant, ensuing in excessive carryover and the need to flush and exchange downstream air treatment elements.
Usually, the G 110-250 oil-injected rotary screw compressor from Atlas Copco supplies reliable compressed air, avoiding high priced downtime. The G110-250 oil-injected rotary screw compressor is hugely reliable and sturdy, enabling it to perform in temperatures up to 46degC/115degF. In spite of the oil-injected air compressor’s robust style, this unit calls for quite small on-internet site installation, and it characteristics easy procedure.
The major benefit of oil-injected air compressors is the lowered cost of operating. The price of oil-cost-free compressors is less than fifty percent of that of oil-injected ones, and it will need fewer maintenance fees in the prolonged operate. In addition, the oil-free technique is much more environmentally friendly than oil-injected air compressors. But the disadvantages of oil-injected air compressors are sizeable, way too. It can contaminate finished products and trigger a significant fiscal chance for the company.
An oil-injected rotary screw air compressor delivers many advantages above its counterpart. Very first, it functions an progressive vertical design with variable-velocity drive, enabling it to run a lot more efficiently. Next, oil-injected air compressors lessen energy usage by up to fifty% compared to non-oil-injected air compressors. They also have a thermostatic valve, permitting them to sustain an ideal temperature. Thermostatically-regulated oil coolers allow the compressor to operate far more quietly.

Oil-cost-free

What is an oil-free air compressor? The name refers to a kind of air compressor that does not have oil in the compressor chamber. Oil-free of charge air compressors still use oil for different needs, such as lubricating the relocating parts and managing squander warmth. Even so, several folks do not realize that their air compressor nevertheless calls for oil for proper operating. This article will check out why this variety of air compressor is preferable for a lot of end users.
Very first of all, oil-free of charge air technological innovation has a lot of benefits. For one, it decreases the vitality value associated in filtering air, and it minimizes leaks. Moreover, it also reduces the oil expenses linked with compressor refills. And ultimately, it decreases the dangers of contamination. Oil-free of charge air technologies is the future of compressed air. If you might be looking for an oil-cost-free air compressor, here is what to look for in your search.
Based on the purpose of your air compressor, it may be beneficial to make investments in an oil-totally free air compressor. Oil-lubricated air compressors are generally much more sturdy than their oil-free of charge counterparts, but they might price twice as a lot. You need to still take into account the expense of ownership just before acquiring an oil-cost-free compressor. The oil-free of charge types can be easier to transportation, and they are far more potent. Additionally, they’re quieter than oil-lubed models.
An oil-cost-free air compressor also means much less maintenance, as it isn’t going to need to have oil to operate. This sort of air compressors also features much less transferring areas, which signifies fewer locations for issues to produce. All oil-free of charge air compressors are made to meet ISO Class and 1 air purity expectations. They also have significantly less sound and vibration when compared to their oil-based counterparts. So, why not decide on an oil-cost-free air compressor for your company?
air-compressor

Gasoline

When selecting a gasoline-driven air compressor, it’s critical to consider the positive aspects of gasoline. This power source can electrical power a massive air compressor without electric power. Nonetheless, this variety of air compressor lacks electrical hookup, so you are going to want to operate an extension wire if you need to have to use it at a length. However, gasoline compressors are ready to purpose with just a gasoline tank. This makes them ideal for medium to hefty-obligation industrial purposes.
Another essential consideration when choosing a gasoline air compressor is its size. More substantial compressors are normally greater than transportable ones and call for much more place. This can make them less difficult to transport and run on the go. Nevertheless, if you happen to be not certain which sort of air compressor is greatest for you, consider the gasoline-run versions. Whilst they could be lighter, they will not operate as efficiently as their electric counterparts. Gasoline-powered compressors are not as transportable as their electric powered counterparts and require correct maintenance.

Electrical energy

Electricity in an air compressor is not low-cost. A twenty five HP air compressor operates for ten several hours every single working day, 5 times a week. The motor in these equipment consumes 746 watts for each hour. To find out how a lot electric power the equipment uses, multiply the wattage by the operating time. For instance, if the compressor runs for 3 hours, then it will use 1.9 kilowatt hours of electric power. To decide how a lot electrical energy an air compressor makes use of per day, you can calculate the kilowatt hrs and multiply the variety by the utility price. Contemplating this, you can decide the cost of running your air compressor after per month.
The value of functioning an air compressor depends on the variety of compressor. Electric powered air compressors are usually silent and can operate with out any servicing. These equipment can be remaining unattended for up to 4 thousand hrs before requiring restore. Electric air compressors need greater electricity for higher force, so you must prepare appropriately. No matter whether or not you require a upkeep visit is up to you, but the advantage of not getting to devote a fortune on repairs is priceless.
Even though compressed air is not an vitality-effective resource, its use in a selection of programs could conserve you cash and kilowatts. Considering that an air compressor uses electricity when it is managing, the price is reduced than the expense of working a electrical power resource. If you strategy to use your air compressor for a lengthy time, make certain that it is managed correctly. Appropriate care will save you cash and energy, and you may possibly even be in a position to get an prolonged guarantee if the compressor breaks down.
air-compressor

Variable frequency travel

The principal purpose of a variable frequency drive (VFD) in an air compressor is to lessen power use in the process of compression. A solitary motor drag method are not able to modify its speed repeatedly in accordance to the weight of the load. By implementing frequency control to the compressor, the electrical power intake can be diminished even though preserving the very same force level. Therefore, a VFD is an exceptional decision for compressors. Its benefits are several.
A VFD can also keep an eye on the temperature of the motor and send error indicators if the motor is managing also scorching or also chilly. This gets rid of the need to have for a different sensor to keep track of the oil pressure. These functions are helpful not only in lowering energy intake, but also in bettering the overall performance of an software. Furthermore, a VFD can check additional variables such as temperature and motor pace. That’s why, it is a useful expense.
When using a VFD, it is essential to choose the right motor. The pace of the compressor should be inside the optimum beginning limit of the motor. The air tank may be of any dimensions, but a continual strain restrict is necessary to preserve the VFD running inside the support issue of the motor. In addition to a VFD, a grasp controller ought to also consist of a distant strain set point and a PID card for a master controller. The transmitter should incorporate all helpful information from the VFD, including the velocity and the oil temperature. The VFD must be analyzed just before it is integrated with the learn control. It must be tested for min and max velocity, temperature, and existing within the anticipated range.
The use of a VFD in an air compressor has a lot of rewards. One of the most notable is the reduction in power intake. Fastened-velocity compressors run on set details of 6 to seven bar. An extra bar of compression makes use of 7 per cent of vitality. This energy is squandered. A VFD-run air compressor can also improve the existence span of compressor components. It is one of the very best investments in your compressor. So, why hold out any lengthier?

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