Tag Archives: screw screw

China High Pressure 30 Bar-40 Bar Oil-Free PM VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry

Product Description

2~40bar DIRECT-DRIVE WATER-INJECTED OIL-FREE SCREW AIR COMPRESSOR (PM VSD)

1. Low temperature means more efficiency
With an exceptionally low running temperature of less than 60ºC, near isothermal compression is achieved.
The superior cooling capability of water removes the heat and gives more air per kW of power.
This also eliminates the need for an internal cooler and aftercooler, the associated power consumption reduces pressure drop to a minimum.

2. Cutting the maintenance cost
Spare parts only need air filter elements and water filter elements
Low operating temperature ensures the long service life of the screw air end, avoiding expensive maintenance costs for the screw rotor.
Low temperature reduces the stress on other components ensuring long life.

3. Avoiding the costs of extra energy to combat pressure drop
These costs, although not apparent at the time of purchase, are very high and contribute substantially to the total cost of ownership.

4. No Gearbox No need for associated oil lubrication.

5. Simple structure
Fewer moving parts than the dry oil-free screw air compressor, meaning there is less to go wrong,
while balance bearing loads extend the compression element service life for low-cost operation.

Product Parameters

Product Description

Company Profile

Hot Sale Products

2~10bar Oil-injected 7~16bar All-in-1 Small Single-phase
Screw Air Compressor Screw Air Compressor Screw Air Compressor

2~40bar 100% Oil-free 8~12bar 100% Oil-free Diesel Engine Portable
Screw Air Compressor Scroll Air Compressor Screw Air Compressor

Main Product

What we can supply:

* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

what to see in an air compressor

If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.

Pump

If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying 1 from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices.
A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor.
The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you.
Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.
air-compressor

safety equipment

There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts.
Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these 2 safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure.
If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage.
To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.

CFM Rating

An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in 1 square inch of air. These 2 indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs.
When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs.
In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool.
Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
air-compressor

Lack of oil and lubrication

Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below.
Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise.
If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts.
Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable.
While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
air-compressor

noise level

If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them.
When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders.
But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor.
Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
China High Pressure 30 Bar-40 Bar Oil-Free PM VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry

China Olymtech Rotary Screw Air Compressor 18.5kw 25HP Direct Driven for General Factory

Product Description

Item	Olymtech 5.5kw Screw air compressor	Piston air compressor
Consumption	Compare with piston air compressor, screw air compressor more energy saving	Energy loss because mechanical wearing. Low speed, high comsumption
Consumbale parts	Air filter/Oil filter/Air/Oil Separator	much consumable parts, piston, ring, valve, etc
Noise	Low noise, cabinet with sound proof enclosure	no cabinet, very noise
Operation and maintenance	Automactically, easy operation and maintenance, controller with alarm function, suit for unattended operation	maintenance complicated
Compressed air quality	Low discharger temperature, oil content in the compressed air is ≤3ppm	higher discharger temperature, no air/oil separator, high oil content in the compressed air
Durability	Two rotor no wearing, stable air delivery, F.A.D and efficiency will not reduce although use a period of time	main parts easy to wearing, therefore F.A.D and efficiency will reduce after use a period of time

Item	Technical Parameters
Model	TF18.5-8	TF18.5-10	TF18.5-13
Power	15KW
F.A.D	3.0m3/min	2.2m3/min	2.0m3/min
Medium	Air
Rated pressure	0.8Mpa	1.0Mpa	1.3Mpa
Cooling method	Air-cooled
Transmission method	Belt drive
Air discharge temperature	Ambient temperature+15ºC
Control mode	Microcomputer control system
Start mode	Y-△ Start
Air inlet temperature	0~46ºC
Ambient temperature	-5~45ºC
Air inlet pressure	Natural air 1.033Kg/cm2
Motor rotation speed	2980r/min
Motor protection level	IP23
Motor insulation level	F level
Motor service factor	1.15
Power supply	380V-50Hz-3Ph
Maximum relative humidity	0.95
Air outlet connection	Rp3/4
Dimension	1080x750x1200mm
Net weight	420KG
Noise level	68±2dB (A)

FAQ

Q1: Why customer choose us?

O: Olymtech Technology Development Co, Ltd is a professional manufacturer for air compressor and after treatment equipment. We have more than 20 years experience in producing and exporting air compressor, air dryer and air filter.

Q2: Are you a manufacturer or trading company?

O: Our factory is located in ZheJiang China, we have research and develop center, advanced processing equipment, professional technicians, rich experience workers and after-sales team to offer good quality products and good service to our customers. We also can provide you the OEM&ODM service.

Q3: What’s your delivery time?

O: Generally 10 days, if urgently order, pls contact our sales in advance

Q4: How long is your air compressor warranty?

O: One year for the whole machine when the compressor leave our factory.

Q5: How long could your air compressor be used?

O: Generally, more than 10 years

Q6: What’s payment term?

O: T/T, L/C, Paypal and etc. Also we could accept USD, RMB, Euro and other currency (Pls contact our sales for more information

Q7: How about your customer service?

O: 24 hours on-line service available

Q8: How about your after-sales service?

O: 1. Provide customers with installation and commissioning online instructions.

2. Well-trained engineers available to overseas service

3. World wide agents and after service available

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 2 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.
air-compressor

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 2 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 9 to 18 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 2 to 5 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 2 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 1 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 Olymtech Rotary Screw Air Compressor 18.5kw 25HP Direct Driven for General Factory

China 3.7kw 5HP Single Phase Screw Air Compressor with 70 Liters Tank 14cfm Air Flow Capacity

Product Description

C6EF Quality and Quantity Assured Single-phase Air Compressor

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of “quality first, customer first and credit-based” since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a CZPT situation since the trend of economic globalization has developed with anirresistible force.

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
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Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
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Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China 3.7kw 5HP Single Phase Screw Air Compressor with 70 Liters Tank 14cfm Air Flow Capacity

China Oil Free Screw Air Compressor Direct Driven Permanet Magnet Variable Speed/Frequency (VSD/VFD) Water Inject Lubricated

Product Description

We are authorized distributer of Bolaite, we could provide whole product line of
Bolaite air compressors , spare parts and consumables. we are also
certified supplier by international authoritative certification organizations.

Kindly advise your technical requirements, we will recommend suitable
compressed air system and spare parts for you .
We can provide CZPT One-Stop Service,and efficient energy – saving solutions for you .

Specification

species	Screw
Configuration	Portable
Power source	AC power
Lubrication method	Lubricated
Applicable Industries	Hotels Building Material Shops Manufacturing Plant Machinery Repair Shops Food & Beverage Factory Printing Shops Construction works Energy & Mining Other
Brand Name	Bolaite
Type	Air Filter

Industrial equipment, printing service, pipelines,power plants, oil&gas, oil refinery, coating, painting,
plastics, steel industry, rubber, mechanical, blow molding, color sorter machine, shipyard, sandblasting,
metallurg,etc.

Different industries correspond to different air compressors, kindly please send me your application
areas and specific conditions, then will recommend the most suitable products for you .

1 Q: How about the quality of products ?

A: We are authorized distributer of Atlas Copco. Don’t worry the quality and service.

2 Q: How long is your delivery lead time ?

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

3 Q: How about your overseas after-sale service?

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

(2)Worldwide agents and sfter service available.

4 Q: Can you accept OEM&ODM orders?

A: Yes, we have professional design team, OEM&ODM orders are highly welcomed.

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.
air-compressor

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 2 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 40 percent and 80 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 Oil Free Screw Air Compressor Direct Driven Permanet Magnet Variable Speed/Frequency (VSD/VFD) Water Inject Lubricated

China Best Price Silent Single/Two Stage Rotary Screw Type Air Compressor Oil Free/Oilless Direct Driven 10HP-150HP 8/10/16 Bar Industrial Compresor De Aire (CE&ISO)

Product Description

Brief Introduction:
Air end: German Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor.
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor.
Delivery time: 7-15 days.
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.
We offer free pipe and valves for installation and installation diagram

Porduct Advantages

1 . Air end with high-efficiency
2. Double Screw with low noise, Super Silenced Enclosure
3. Elegant compact design. Fully open access door to inner parts for easy service.
4. 100% Continuous duty operation. Load/No Load operation
5. High quality CE Certificate industrial electric motors. ISO,CE,UL Certificate
6. Easy to use and read LCD control panel
7. High temperature, high pressure and anti-rotation shutdown
8. Energy efficient operation
9. 5 micron, water-resistant air filtration material
10. 2 year full machine warranty,5years air end warranty.
11. Supply the machine with different working voltage according to customer’s request,
such as:
220Volt,single phase,60hz/50hz
220Volt,3 phase,60hz / 50hz
380Volt,3phase,50hz
440Volt,3phase,50hz
380Volt,3phase,60hz

Detailed Photos

Product Parameters

Model	Air Flow (m³/min)				Motor Power	Noise	Outlet Diameter	Dimension	Weight
Model	7bar	8bar	10bar	13bar	kw	dB	inch	WDH (mm)	kg
YD-7.5A	1.0	0.8	0.5	0.4	5.5	65	G3/4”	780680800	300
YD-10A	1.1	1.0	0.85	0.7	7.5	65	G3/4”	780680800	320
YD-15A	1.8	1.65	1.5	1.3	11	65	G3/4”	1100800980	400
YD-20A	2.4	2.2	2.1	1.8	15	68	G3/4”	1100800980	430
YD-25A	3.1	3.0	2.7	2.3	18.5	68	G1”	12508701180	590
YD-30A	3.8	3.6	3.2	2.5	22	68	G1”	12508701180	650
YD-40A	5.3	5.0	4.3	3.6	30	69	G1”	12508701180	750
YD-50A	6.6	6.2	5.7	4.6	37	69	G11/2”	15409501290	880
YD-60A	8.0	7.7	6.9	6.0	45	70	G11/2”	15409501290	1000
YD-75A/W	10.5	9.8	8.7	7.3	55	70	G2”	160011501420	1500
YD-100A/W	13.6	13.0	11.3	10.1	75	72	G2”	257112601460	1900
YD-125A/W	16.2	15.4	13.2	11.2	90	72	DN50	257112601460	2500
YD-150A/W	20.8	19.5	16.5	13.7	110	73	DN65	230016001790	2800
YD-175A/W	24.0	23.0	20.0	15.5	132	74	DN65	230016001790	3000
YD-220A/W	27.8	26.0	23.5	19.5	160	75	DN80	250017001850	3500
YD-250A/W	32.5	31.0	26.0	21.6	185	76	DN80	250017001850	3800
YD-270A/W	34.5	33.0	28.0	23.5	200	77	DN80	250017001850	4200
YD-300A/W	38.0	36.5	32.0	27.0	220	78	DN100	280019001950	4800
YD-350A/W	43.0	40.5	36.5	32.0	250	80	DN100	280019001950	5200
YD-500A/W	76.0	75.3	65.4	59.0	400	83	DN125	420022002240	8200
Remarks:
1. “A” represents air cooling, and “W” represents water cooling;
2. working ambinent temperature: -5ºC-45ºC;
3. exhausting air temperature ≤ working ambinent temperature +10ºC-15ºC;
4. starting mode: Y-△;
5. exhausting oil content: <3ppm;
6. certificate: CE/ISO9001/ASME;
7. voltage: 380V/220V/400V/440V/415V

Manufacturing center

1. Starting from 2001;
2. With 8,000sq meters workshop;
3. With 6 production lines;
4. 500pcs production capacity per month.

Certifications

1. CE;
2. SGS;
3. ISO9001;
4. 12 patents for screw compressor.

Product Case

Use case of rotary screw type air compressor
1. Rotary Screw type air compressors are exported to 132 countries and regions all over the world;
2. All indicators of screw air compressor are stable and the failure rate is low;
3. Perfect after-sales service system, engineers on duty 24 hours a day to provide one-on-1 service to customers at the air compressor use site.

QC Management

Re-factory quality control process:
1.Installation inspection of the whole air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items:
A . Confirm the nose and motor nameplates;
B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the air compressor machine screw locking inspection..
2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.Air compressor factory before 48 hours of thermal test, stability confirmation.
3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.

Rotary Screw type Air compressor packing method
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
air-compressor

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Best Price Silent Single/Two Stage Rotary Screw Type Air Compressor Oil Free/Oilless Direct Driven 10HP-150HP 8/10/16 Bar Industrial Compresor De Aire (CE&ISO)

China 22kw to 75kw Heavy Duty Screw Air Compressors Shaft Coupling Direct Driven Compressors with Inverter

Product Description

AirHorse Promises Every Machine Will Run Well More Than 15 Years

Product display

Features Of Direct Driven Screw Air Compressor

1 . Air end with high-efficiency

2. Double Screw with low noise, Super Silenced Enclosure

3. Elegant compact design. Fully open access door to inner parts for easy service.

4. 100% Continuous duty operation. Load/No Load operation

5. High quality CE Certificate industrial electric motors. ISO,CE,UL Certificate

6. Easy to use and read LCD control panel

7. High temperature, high pressure and anti-rotation shutdown

8. Energy efficient operation

9. 5 micron, water-resistant air filtration material

10. 1year full machine warranty,3years air end warranty.

11. Supply the machine with different working voltage according to customer’s request,

Motor Efficiency Class: Ultraefficient/1E3/IE2 as per your reguired
Motor Protection Class: IP23/IP54or as per your required
Certification: CE/IS09001/TUV/UL/SGS/ASME
Voltage: 380V/3PH/50HZ/60HZ
220V/3PH/50HZ/60HZ
400V/3PH/50Hz/60HZ
440V/3PH/50HZ/60HZ
5V/3PH/50HZ/60HZ
230V/3PH/50HZ/60HZ
dual voltage is also ok

TCEHNICAL SPECIFICATIONS OF THE DIRECT DRIVEN SCREW AIR COMPRESSOR
Model	AHD-30A	AHD-50A	AHD-75A	AHD-100A	AHD-120A/W	AHD-150A/W	AHD-175A/W	AHD-220A/W	AHD-250A/W	AHD-300A/W	AHD-350A/W
Free air deliver /Discharge pressure (m3/min /Mpa)	3.8/0.7 3.6/0.8 3.2/1.0 2.8/1.2	6.8/0.7 6.2/0.8 5.6/1.0 4.9/1.2	10.0/0.7 9.1/0.8 8.5/1.0 7.6/1.2	13.5/0.7 12.6/0.8 11.2/1.0 10.0/1.2	16.1/0.7 15.0/0.8 13.8/1.0 12.3/1.2	21.0/0.7 19.8/0.8 17.0/1.0 15.3/1.2	25.2/0.7 24.0/0.8 21.0/1.0 18.3/1.2	28.7/0.7 27.6/0.8 24.6/1.0 21.5/1.2	32.0/0.7 30.5/0.8 27.5/1.0 24.8/1.2	36.7/0.7 34.5/0.8 30.2/1.0 27.8/1.2	42.0/0.7 40.5/0.8 38.1/1.0 34.6/1.2
No.of compression stage	single stage
Ambient temperature	‘-5–+45^oC
Cooling model	Air –Cooling					Air-Cooling&Water-Cooling		Water-Cooling
Discharge temperature (0C)	Ambient temperature+15^oC
Lubricant(L)	18	30	65			90		110
Noise level (Db)	68±2		72±2			75±2			72±2
Drive method	Direct drive
Electricity (V/ph/Hz)	380/3/50
Power (KW/HP)	22/30	37/50	55/75	75/100	90/120	110/150	132/175	150/200	185/250	220/300	250/350
Starting method	Y-ΔStarter
Dimension: length/ width/ height (mm)	1400* 900* 1220	1400* 900* 1220	1800* 1200* 1600	1900* 1200* 1600	2100* 1400* 1780	2360* 1360* 1800	2460* 1420* 1800	2560* 1540* 1840	2610* 1640* 2050	2700* 1740* 2100	2900* 1850* 2200
Weight(kg)	680	1060	1880	1980	2100	2900	3500	3900	4200	4600	5000
Air outlet pipe diameter (inch/mm)	1″	1 1/2″	2″			DN65		DN80		DN100

HangZhou AirHorse Compressor Co., Ltd.

• Professional manufacturer of air compressor system equipment

• Main products include Screw Air Compressor & Piston Air Compressor

• Cutting-edge technology & leading techniques: original German air end with CZPT bearing, Siemens/ABB electricity system and spare parts of other world-famous brands. To ensure reliability, high performance, low noise and long life span

Packaging and Shipping

Our Service

After-sale Service

• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.

• Warranty: One year for the whole machine Genuine spare parts will be provided with best price.

• Over board engineer service is available.

Special Customized Service

1) Full OEM

• Quantity: at least 5 pcs

• In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.

2) Half OEM

• Quantity: no limit

• Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.

3) Logo OEM

• Quantity: no limit

• Only the logo will be changed to yours, and no extra fee will be charged.

Overseas Engineer Service

• We are available to send our engineer for aboard service. Only need you to arrange the accommodation, transportation and translator. Extra cost for each will be discussed based on local price level.

FAQ

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2: Our company is located in AirHorse Industrial Park, Xihu (West Lake) Dis. District, HangZhou, ZheJiang , China

Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: What about product package?
A5: We pack our products strictly with standard seaworthy case.

Q6: What about the voltage of products?
Can they be customized? A6: Yes, of course. The voltage can be customized according to your equirement.

Q7: Which payment term can you accept?
A7: 40% T/T in advanced, 60% T/T against the B/L copy.

Q8: How long will you take to arrange production?
A8: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 25-30 days.

Q9: Can you accept OEM orders?
A9: Yes, with professional design team, OEM orders are highly welcome.

Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

Hi!friend.We are 1 leading factory to manufcture screw air compressor and Air Dryer with nich experience in HangZhou China.We do many OEM for international famous brand such as CZPT Rand. Now our air compressors are exported to all over the world with ISO,CE ASME certified.Welcome to send us inquiries,We will send you best offer ASAP.

Types of Air Compressors

Air Compressors

Single-stage models

Low-noise models

Oil-free models

China 22kw to 75kw Heavy Duty Screw Air Compressors Shaft Coupling Direct Driven Compressors with Inverter

China 10HP 7.5kw Screw Air Compressor with High Frequecny Inverter

Product Description

Product description

Technical Parameters

DBZY Series(Combined with air dryer and tank) Screw Compressor
MODEL	Air flow Capacity(m3/min)/cfm								Power	Noise	Diameter	Dimension	Weight
	0.7Mpa		0.8Mpa		1.0Mpa		1.3Mpa		KW/HP	DB(A)	INCH	W×D×H mm	Kg
	m3/min	cfm	m3/min	cfm	m3/min	cfm	m3/min	cfm
DBZY-7.5A	0.91	32.1	0.84	29.6	0.75	26.5	/	/	5.5/7.5	65	G3/4”	1418×700×1500	375
DBZY-10A	1.3	45.9	1.2	42.4	1.0	35.3	0.84	29.6	7.5/10	65	G3/4”	1418×700×1500	395
DBZY-15A	1.7	60	1.6	56.5	1.4	49.4	1.2	42.4	11/15	65	G3/4”	1418×860×1628	560
DBZY-20A	2.4	84.8	2.3	81.2	1.8	63.5	1.6	56.5	15/20	65	G3/4”	1882×790×1731	572
DMZY-10A	1.3	45.9	1.2	42.4	1.0	35.3	0.84	29.6	7.5/10	65	G3/4”	1418x700x1500	395
DMZY-20A	2.4	84.8	2.3	81.2	1.8	63.5	1.6	56.5	15/20	65	G3/4”	1882x790x1731	572
Motor Efficiency Class: Ultraefficient/IE4/IE3/IE2 as per your required. Motor Protection Class: IP23/IP54/IP55 or as per your required. Certification: CE/ISO9001/TUV/UL/SGS/ASME. Voltage: 380V/3PH/50HZ/60HZ, 220V/3PH/50HZ/60HZ, 400V/3PH/50HZ/60HZ, 440V/3PH/50HZ/60HZ, 415V/3PH/50HZ/60HZ, 230V/3PH/50HZ/60HZ, dual voltage is also ok.

Certificate

Project Case

Customer Feedback

About us

Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineersteams ‘ .We focus on the research & develop,manufacture and energy-saving solutions of screw air compressor to create value for customers and society.In 2018 our total sales volume approached 15 million US dollars.By over 23 years enhanced experiences of designing,producing and marketing,today our valued customers are over 130 countries.Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha’s primary businesses focus in following key areas:
Oil-injected rotary screw compressors
Portable screw air compressors
Oil free air compressors
High pressure air compressors
Air treatment equipment

At Dehaha,we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air
products for all industries.All of our products are designed for reliable performance,easy maintenance,and maximum energy efficiency.We have sales representatives who can speak English,Spanish,French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.

Dehaha continuously innovates product development and management to meet customers’ demand.The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle”Energy Saving First, Mutual Value Shared”. CZPT mission is to be a world-renowned high-end brand,with sustainable development,constantly improving its own value and sharing it with our customers and staff.Committed to offer our customers a silent and energy-saving manufactured products.

Our services

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of ZheJiang , China, more than 24 years.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1.The raw materials are strictly inspected
2. Some key parts are imported from overseas
3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China 10HP 7.5kw Screw Air Compressor with High Frequecny Inverter

China Permanent Magnet Screw Air Compressor 10HP 7.5kw Energy Saving

Product Description

Permanent Magnet Screw Air Compressor 10HP 7.5KW Energy Saving

Specification:

Parameter/Model

Displacement/Pressure

Cooling Method

Lubrication volume(L)

Noise db

Driving mode

Voltage

Power

Start up mode

Dimention

Weight

Output pipe diameter

m3/min

KW/HP

L*W*H

ZL-10A

0.9/0.7

0.8/0.8

0.69/1.0

0.6/1.2

air cooling

66±2

direct driving

220V/380V/415V;50Hz/60Hz

7.5/10

y-start-up; varialbe Frequency starting

850*700*920

210

G 1/2″

ZL-20A

2.5/0.7

2.3/0.8

2.1/1.0

1.9/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

15/20

y-start-up; varialbe Frequency starting

950*750*1250

300

G 3/4

ZL-30A

3.8/0.7

3.6/0.8

3.2/1.0

2.7/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

22/30

y-start-up; varialbe Frequency starting

1380*850*1160

450

G 1″

ZL-50A

6.8/0.7

6.2/0.8

5.6/1.0

5.0/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

37/50

y-start-up; varialbe Frequency starting

1550*1000*1330

650

G 1-1/2

ZL-10A-PM

0.9/0.7

0.8/0.8

0.69/1.0

0.6/1.2

air cooling

66±2

direct driving

220V/380V/415V;50Hz/60Hz

7.5/10

y-start-up; varialbe Frequency starting

850*700*820

210

G 1/2″

ZL-20A-PM

2.5/0.7

2.3/0.8

2.1/1.0

1.9/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

15/20

y-start-up; varialbe Frequency starting

950*750*1250

300

G 3/4″

ZL-30A-PM

3.8/0.7

3.6/0.8

3.2/1.0

2.7/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

22/30

y-start-up; varialbe Frequency starting

1380*850*1160

450

G 1″

ZL-50A-PM

6.8/0.7

6.2/0.8

5.6/1.0

5.0/1.2

air cooling

68±2

direct driving

220V/380V/415V;50Hz/60Hz

37/50

y-start-up; varialbe Frequency starting

1550*1000*1330

650

G 1-1/2″

Intelelligent Permanent Magnet Frequency Screw Air Compressor

The motor is made of the special material of rare-earth permanent magnet,strong magnetic field,large overload torque and small curent while starting and operation ; Soft starter by the inverter,avoiding the strong mechanical shock while starting,prolonging the life of machine,reducing the maintenance,improving the reliability.

High efficiency permanent motor,energy saving about 5-8 compared to the ordinary three-phase asynchronous motor.
Split,maintenance and disassembly moer convenience(split machine).
Coaxial structure,without any transmission loss(one-piece machine).
IPM frequency conversation technology,permanent mannet frequency conversion air compressor relative to ordinary frequency air compressor average energy saving more than 30%.

For More Products

Our Exhibition

Brief introduction:

Tai zhou Mechanical &Electrical Co.Ltd. Is 1 of the main manufactures,specializing in the Research and Development,Manufacturing and sales of the Piston air compressor. Our company located in the CZPT town,LuQiao District, TaiZhou City, far from TaiZhou Airport is only 3KM,and HangZhou port is around 220KM,the traffic is very convenient for your.visiting.
Our company owns an area of 50000 suqare mater and has more than 300 staffs.

We have advanced production equipment and well familiar with the process of the mass production,have high precision measuring instruments and high efficiency of automatic assembly line ensure the quality and quantity of the [roduct. We have strong technical strength and production management ,gathering the technical team and manamement team from the leading enterprise of air compressor in domestic .we set up our town lad and development tesm,with a strong ability to develop thre product ,meeting the diffient demand from the different customer and different ,maket.

We take the maket demand as the guidance ,strives for the survival by quality ,strives for the development by innovation,always put customers,quality and innovation in the first place ,follow up the prefessional management and continuously satisfy the demanded of the customer,We always follow up the principle of people-oriented,legitimate business,honest & trustworthy,focus on the industy of the air compressor,with the effort to create a first-class brand in the industry of air compressor ,with the effort to create a first-class brand in the industry of air compressor.

Frequency Asked Question:

Q1: Are you factory or trade company?
A1: We are factory.Thank you.

Q2: What the exactly address of your factory?
A2: Our company located in the CZPT town,LuQiao District, TaiZhou, ZHangZhoug Province, China . Thank you.

Q3: Warranty terms of your air compressor machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the air compressor?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: About 25 working days after receiving the deposit on our bank account

.Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome

Q7:What trad terms do we provide ?
A7:Trade terms FOB,CIF.

Q8:What is our payment term? What kind of settlement currency do we offer ?
A8:Normally, we can do T/T and LC at sight, for the T/T, 30% will be required as deposit, the balance amount against the copy of the BL.
We can accept the currency in USD or RMB.

Q9:What about the cost of sample?
A9: The cost of the sample will be required, but we can return back the amount in the future order by 1*40’HQ.

A Buyer’s Guide to Air Compressor Types

Single-stage air compressors

Rotary vane compressors

Rotary vane compressors with low-noise models

Rotary vane compressors with 2 pistons

China Permanent Magnet Screw Air Compressor 10HP 7.5kw Energy Saving

China 8bar 75kw SEP420E Portable Screw Air Compressor Driven by Electricity used for sandblasting,drilling hole

Product Description

The machine can meet the demands of overloading use and stands up to the most severe filed environment. Meanwhile, it also can reduce fuel consumption,which greatly cut down the operation cost. Subsided structure to install the oil tank, placed around each one, Increase oil reserves, make the add oil time interval longer, the weight on both sides are balanced. Tank not in the case, make the space more and not only bring convenience to maintenance service, noise is reduced accordingly, but also giving the customer a good value feeling.
Advantage:
1. High Reliability
Less compressor parts, without wearing parts, so it is reliable, long life, overhaul interval is up to 40 to 80 thousand hours.
2. Easy Operation and Maintenance
A high degree of automation, the operator does not have to go through a long period of professional training,can achieve unattended operation.
3. The Power Balance is Good
There is no unbalanced inertia force, can smoothly high-speed operation, can achieve no basic operation,especially suitable for portable compressors,small size, light weight, small footprint.
4. Strong Adaptability
With a mandatory gas transmission characteristics, the volume flow is almost free from the impact of exhaust pressure,in a wide range of speed to maintain high efficiency.

HangZhou CZPT Compressor Co., Ltd is located in HangZhou of China. The company covers about 10000 square meters which is a large company that specializing in the large production of the permanent magnet variable frequency screw (oil free, low pressure, medium pressure, and diesel portable) air compressor . The company adhering to the Germanic advanced industrial design concepts and rigorous manufacturing technology. Combined domestic markets with foreign markets, and rely on its own strong scientific researching power, professional design, manufacturing strength, the company constantly updates its products range. Its production management process is strictly in accordance with the ISO9001 international quality system so that can ensure each compressor has reached the international first-class level. The company’s quality and reputation have been in the leading position in the world.
Product accessories:

1.Brand Screw Host
Large rotors,low rpm,long life span
High efficiency,low noise,low vibration,high reliability
Bearing life over 100,000 hours
Little leakage triangle,low power/airflow ratio
Less wearing parts,low maintenance cost
2.Motor
High efficiency air-cooling totally enclosed motor
Large starting torque
Low noise,better structure
Original imported bearing
F grade insulation,IP 55 protection level
Low rpm

3.Brand Intake Valve Assembie
Non-load starting,butterfly inlet comtrolling valve
0~100% stepless volume regulation,aluminium alloy unibody casing
With Non-return value for heavy load,piston mover
Non-return value close under urgent stop or power failure

4.Air Filter
Air filter from Mann Hummel Germany
Dust removal 99.9%,filtering fineness 3 μm
Ensuring the clean air for inlet
Prolonging the life span of air system,large size,over 3000 hours

5.Oil System
Oil Filter from Mann Hummel Germany
Reliably removing the dust in oil
Oil fineness less then 0.1 μm
Ensuring the clearness and lubrication of oil system,good cooling function

How to Choose the Right Air Compressor

Electric motor

Oil bath

Start/stop control

Variable speed drive

China 8bar 75kw SEP420E Portable Screw Air Compressor Driven by Electricity used for sandblasting,drilling hole

China (SCR40XA) Hot Sale Japanese Technology 100% Oil Free Scroll Air Compressor High Performance Screw Air Compressor Belt Driven Air Cooling

Product Description

Product Technical Description

Model :	Scroll Oil Free Series (XA)
Type:	Scroll Oil Free Screw Air Compressor
Voltage:	380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:	8~10bar
Installed Motor Power:	11~30 Kw
Color:	Blue
Driven Method:	Belt Driven
Trademark:	SCR
Transport Package:	Standard Wooden Packing
Available Certificate:	CE, ISO, UL, ASME, GHOST
Origin:	ZheJiang , China
application:	Dentistry,Laboratory,New Energy

Product Features
1.High quanlity oild free compressed air.
2.High efficiency oil free scroll airend.
3.Low Energy Consumption,Low running,maintenance cost.
4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.
5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
6.Easy to install,operate,maintain.

High quality oil fee compressed air:
A high quality 74 Degree taper connection is used making a more reliable seal reducing the risk of air leakage. SCR’s oil free scroll machine provides 100% oil free air and makes use of fully stainless steel pipework eliminating any possible contamination.

High Efficiency oil free scroll airend:
SCR use a world-renowned scroll airend in the XA range for enhanced reliability. The compression chamber and lubricant system is 100% separated meaning there is no risk of oil contaminated air.

High Reliability:
The XA range use low noise, high pressure centrifugal fans which provides excellent air flow. The oversized cooler has spare capacity of between 20%-30% making the air outlet temperature only +10-15 degrees above the ambient tempera-ture. This reduces the burden of downstream equipment.

SCR Oil Free Scroll Compressor
Model	SCR15XA-8/10	SCR20XA-8/10	SCR30XA-8/10	SCR40XA-8/10
Exhausting Capacity	1.2/1.0	1.6/1.4	2.6/2.1	3.5/2.8
(m³/min)	1.2/1.0	1.6/1.4	2.6/2.1	3.5/2.8
Power (KW)	11	15	22	30
Horse Power (HP)	15	20	30	40
Drive Method	Belt Driven
Discharge Temperature ºC	Ambient+15ºC
Noise db(A)	65	68	70	72
Power Supply	380(400,415)V/50Hz/3Phase,220V/60Hz/3P
Size mm	13501200800	80012001800	120014001500	120014001800
Weight Kg	450	650	900	1300
Air Outlet Size	Rc1	Rc1	Rc1	Rc1

Product Categories

Advantages

Application

About SCR

FAQ

1 What trade terms do we provide? What kind of settlement currency do we offer?

Trade term :CIF ,CFR ,FOB,Ex-Works
As far Our business traded in Dollars ,Euros and RMB .

2 How long is our delivery?

Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

3 What is the voltage of the compressor?

The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage according to customer requirement.

4 Can our compressor run in high temperature environment? What is the working temperature range for our machine?

Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc.
Work temperature range :1-45 ºC(33.8ºF-113ºF)

5 What’s the min. Order requirement ?

Min. Order requirement is 1PCS.

Company Name: ZheJiang Screw Compressor Co., Ltd
Contact Person: Vincent Sun

If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

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