Tag Archives: variable speed air compressor

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 supplier Direct Driven Variable Speed Air Compressor with Free Design Custom

Item Description

 

Selecting the Proper Air Compressor For Your Home

You will locate that air compressors are indispensable instruments for a range of circumstances, like garages, residence workshops, and basements. These instruments can power a range of instruments, and each and every product is sized to go well with the occupation at hand. Because air compressors have only one motor, they are lightweight, compact, and simple to deal with. Employing one air compressor to electrical power a number of resources will also decrease the wear and tear on individual elements. This article will introduce some essential characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A good displacement compressor applies stress to a fluid, whilst a centrifugal one does the opposite. A constructive displacement compressor generates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the higher-strain gasoline. These compressors are used in industrial applications and nuclear electrical power crops. The big difference among a good and adverse displacement compressor is that a positive displacement compressor can compress and launch air at a regular charge.
A positive displacement air compressor utilizes a reciprocating piston to compress air. This lowers the volume of the air in the compression chamber, and a discharge valve opens when the force reaches the preferred amount. These compressors are utilised in bicycle pumps and other pneumatic tools. Good displacement air compressors have multiple inlet ports and have many configurations. Optimistic displacement air compressors have a solitary-acting and double-performing piston, and can be oil-lubricated or oil-totally free.
A optimistic displacement air compressor is diverse from a dynamic compressor. It draws air into the compression chambers and then releases the strain when the valve is opened. Good displacement compressors are widespread in industrial programs and are accessible in one-performing, double-acting, and oil-lubricated designs. Huge piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller sized models have forever sealed crankcases with bearings.
air-compressor

Oil-free

Oil-cost-free air compressors have some benefits over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The content has one particular of the cheapest coefficients of friction and is layered, so it slides past other layers with minor energy. Since of this, oil-free of charge compressors are likely to be more affordable and still produce similar overall performance. Oil-free compressors are a excellent option for industrial purposes.
The lifestyle of an oil-totally free air compressor is drastically longer than an oil-lubricated counterpart. These types can function up to 2,000 hours, four instances longer than the average oil-lubed compressor. Oil-free of charge compressors also have a considerably reduced running sound than their oil-lubricated counterparts. And because they don’t need oil alterations, they are quieter. Some even final up to 2,000 hours.
An oil-free of charge air compressor is a excellent decision if your application requires higher stages of purity. Many purposes demand ultra-pure air, and even a fall of oil can trigger item spoilage or harm to manufacturing products. In addition to the well being risks, an oil-totally free air compressor lowers the costs linked with oil contamination and minimizes leaks. It also removes the need for oil selection, disposal, and treatment.
A typical oil-free air compressor is quite effective, demanding only about eighteen% of the complete load horsepower. Nevertheless, oil-free compressors have a higher chance of untimely failure and are not suggested for large-scale industrial programs. They may also use up to eighteen% of the compressor’s total ability. They may possibly seem interesting, but you have to make sure you recognize the advantages of an oil-cost-free air compressor ahead of selecting one particular for your industrial apps.

One-stage

A one-stage air compressor is designed to give the electrical power for a one pneumatic device or unit. These machines are usually scaled-down than two-stage compressors and make much less heat and power. These machines aren’t created for weighty-responsibility industries, but they are even now extremely successful for a selection of apps, like automobile retailers, fuel stations, and various producing plants. They can also be employed in borewells, as they are suitable for modest areas with low air flow needs.
A single-stage air compressor has 1 cylinder and two valves – the inlet and the supply valves. Each of these valves operate mechanically, with the inlet valve controlling torque and the shipping one particular managing air stress. Generally, one-stage compressors are run by a fuel engine, but there are also electric powered versions available. The single-phase air compressor is the most common variety of air compressor. It has a single cylinder, a single piston, and 1 air cylinder.
The one-phase air compressors are used for tiny projects or personal use. A two-stage air compressor is a lot more effective for industrial tasks. Its for a longer time air stop lifestyle can make it much more productive. It is also much more successful for use in the automotive industry, in which the engine has a lot of cylinders. In standard, one-phase compressors require a greater electricity amount. The single-phase design is best for tiny tasks, whilst a two-stage a single is appropriate for greater-scale arsenals.
air-compressor

CFM

The cubic foot-for each-moment (CFM) of an air compressor is the output of the machine. In order to compute the CFM degree, start off by searching at the compressor’s requirements. You must know how a lot of cubic ft the unit can hold and how several pounds per square inch it can compress. Once you have these information, you can estimate the CFM. Now you can use these figures to decide on an proper air compressor for your requirements.
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 make more than ten CFM. You can also try connecting two output valves. Make certain that the settings are adjusted properly prior to you get started. This will guarantee that your air compressor is performing at its greatest efficiency and lifespan. To boost the CFM of your air compressor, very first check that your regulator is calibrated for the desired pressure degree.
To determine the CFM of an air compressor, 1st decide the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by sixty seconds to determine the CFM. After you know how considerably air your equipment can maintain, you can pick a suitable air compressor. If you’re doing work in a confined area, you ought to acquire a instrument with a massive tank.

PSI

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 bottom, following to it, or among the two. The gauge tells the real force of the air compressor, while the cut-out strain is determined by the company. The manufacturer suggests that you established the lower-out force 20 to forty PSI greater than the factory advisable stress. If you want to established the strain for your nail gun, you can use the cut-in and lower-out pressures on your compressor, and the tank will not likely exceed this selection.
The PSI of an air compressor steps the pressure that it can supply, which is often in kilos per square inch. For most air equipment, you need to have at minimum forty to 90 psi. In general, reciprocating air compressors operate on an on/off foundation. This partnership is recognized as the duty cycle. All air compressors are rated for a certain obligation cycle, such as fifty p.c on and twenty-five percent off.
The Psig of an air compressor is not totally free, as numerous folks imagine. The PSI of an air compressor is not totally free, but it is vital to maintain it for risk-free operations. If you are having difficulties keeping a steady stress, think about turning down the PSI of your compressor by 2 psig. This will establish the critical pressure for the equipment. You will also improve the amount of power in the system by one per cent.
air-compressor

Energy supply

The power resource for an air compressor is crucial in its procedure. Without the correct voltage and amperage, air compressors will not function correctly. The power resource have to be close to the compressor so that it can plug into an electrical outlet. If it is way too significantly from the outlet, the compressor might not be ready to create adequate force. When this takes place, the fuse inside of the air compressor will change off to safeguard the person. The energy source should be a protected length from the compressor.
Most companies do not specify the energy resource for an air compressor. Based on the horsepower, the compressor will need about 4 amps of energy. A a single-horsepower compressor would attract about twelve amps. If it had been driven by a standard one hundred twenty-volt house source, its motor would exceed the fifteen-amp breaker capability. A bigger air compressor, nevertheless, will demand a independent fifteen-amp power source, producing it not possible to use it with this sort of electrical power supply.
The electricity supply for an air compressor is usually electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A a few-section air compressor, on the other hand, requires a particular AC offer with 3 electrical offset pulses. No matter of the type of air compressor, the electrical power supply need to be suitable with the incoming power services. One particular of the most widespread troubles when attempting to hook up an air compressor to an AC electricity source is undersized wire. This results in low voltage and higher amperes, tripping of more than-load relays and blown fuses.

China supplier Direct Driven Variable Speed Air Compressor     with Free Design CustomChina supplier Direct Driven Variable Speed Air Compressor     with Free Design Custom