Product Description
Product Description
Double stage 8 bar screw air compressor
Product description
Xihu (West Lake) Dis.nized man-machine interface display control system
• The operation is particularly convenient and simple, and the running status is clear at a glance.
• Can work for you 24 hours a day under unattended conditions.
• Once abnormal factors appear, maintenance or overhaul will be prompted in Chinese.
• Reserve output interface, which can realize chain control and remote diagnosis control of multiple units.
• Economical and easy to maintain, suitable for low-power hosts.
Low consumption and high efficiency motor
• High starting torque.
• Insulation class F, protection class IP23.
•Built-in refueling device, can refuel without stopping.
Efficient intake control valve
• NO/OFF control method.
• Anti-injection design with check valve.
Technical Parameters
|
Screw group |
5: 6 Gear rotor |
|
|
Compression method |
Continuous, single stage |
|
|
Compressed air outlet pressure |
0.8MPa |
|
|
Compressed air outlet temperature |
Air-cooled |
|
|
Compressed air outlet temperature |
10ºC~15ºC higher than the ambient temperature |
|
|
Volume of Lubricating Oil |
About 7.5 liters |
|
|
Motor speed |
N=2930r/min |
|
|
Rated power |
75kw |
|
|
Displacement |
0.8MPa |
13.0m³/min |
|
Weight |
1200kg |
|
|
Upper air temperature |
45ºC |
|
|
Lower limit of air temperature |
0ºC |
|
|
Fuel consumption |
Exhaust oil content is less than 3PPM |
|
|
Noise level |
72dB(A) |
|
|
Dimensions (length×width×height) (mm) |
1800x1190x1710 |
|
Product pictures
Built-in oil separation system The built-in oil separation design ensures the separation of oil and gas and reduces fuel consumption.
Certified Genuine Parts. CZPT Certified Genuine Parts to ensure the compressors delivered to you always perform at high performance.
Adhering to the basic belief in environmental sustainability, we have been committed to continuously improving the energy efficiency of our products and creating value for users.
Energy saving and economical, reliable and durable, environmentally friendly and quiet.
The Latest-Generation High Efficiency Screw Rotor! “Large Rotor, Low Speed”, Direct Drive;
The latest generation of high-efficiency rotor profiles, full-spectrum screw mainframe meets the national energy-saving standards.
Specification
|
Model |
Working Pressure |
Displacement |
Motor Power |
Exhaust interface |
Weight |
Noise |
Dimension |
|
|
Bar |
m³/min |
kw |
|
kg |
dB(A) |
mm |
|
BK7.5-8G |
8 |
1.2 |
7.5 |
G1 |
200 |
70 |
800*620*800 |
|
BK7.5-10 |
10 |
1 |
7.5 |
G3/4 |
200 |
72 |
720*700*1000 |
|
BK7.5-13 |
13 |
0.8 |
7.5 |
G3/4 |
200 |
72 |
720*700*1000 |
|
BK11-8G |
8 |
1.7 |
11 |
G1 |
300 |
72 |
1000*670*1090 |
|
BK11-10 |
10 |
1.5 |
11 |
G1 |
290 |
72 |
700*670*1250 |
|
BK11-13 |
13 |
1.2 |
11 |
G1 |
290 |
72 |
700*670*1250 |
|
BK15-8G |
8 |
2.4 |
15 |
G1 |
280 |
73 |
1000*670*1090 |
|
BK15-10 |
10 |
2.2 |
15 |
G1 |
290 |
73 |
700*670*1250 |
|
BK15-13 |
13 |
1.7 |
15 |
G1 |
290 |
73 |
700*670*1250 |
|
BK18-8 |
8 |
3 |
18.5 |
G1 |
500 |
74 |
1080*880*1235 |
|
BK18-10 |
10 |
2.7 |
18.5 |
G1 |
500 |
74 |
1080*880*1235 |
|
BK18-13 |
13 |
2.3 |
18.5 |
G1 |
500 |
74 |
1080*880*1235 |
|
BK22-8ZG |
8 |
3.6 |
22 |
G1 |
380 |
74 |
1200*800*1100 |
|
BK22-10 |
10 |
3.2 |
22 |
G1 |
540 |
74 |
1080*880*1235 |
|
BK22-13 |
13 |
2.7 |
22 |
G1 |
540 |
74 |
1080*880*1235 |
|
BK30-8 |
8 |
5 |
30 |
G1 1/2 |
650 |
75 |
1120*930*1290 |
|
BK30-10 |
10 |
4.4 |
30 |
G1 1/2 |
650 |
75 |
1120*930*1290 |
|
BK30-13 |
13 |
3.6 |
30 |
G1 1/2 |
650 |
75 |
1120*930*1290 |
|
BK37-8ZG |
8 |
6 |
37 |
G1 1/2 |
740 |
76 |
1530*900*1230 |
|
BK37-10 |
10 |
5.5 |
37 |
G1 1/2 |
730 |
76 |
1240*1030*1435 |
|
BK37-13 |
13 |
4.6 |
37 |
G1 1/2 |
730 |
76 |
1240*1030*1435 |
|
BK45-8G |
8 |
7.1 |
45 |
G1 1/2 |
800 |
78 |
1480*1030*1345 |
|
BK45-10 |
10 |
6.5 |
45 |
G1 1/2 |
820 |
78 |
1240*1030*1595 |
|
BK45-13 |
13 |
5.6 |
45 |
G1 1/2 |
820 |
78 |
1240*1030*1595 |
|
BK55-8G |
8 |
10 |
55 |
G1 1/2 |
800 |
80 |
1480*1030*1345 |
|
BK55-10 |
10 |
8.5 |
55 |
G1 1/2 |
1200 |
80 |
1545*1200*1470 |
|
BK55-13 |
13 |
7.4 |
55 |
G1 1/2 |
1200 |
80 |
1545*1200*1470 |
Company Information
Our Company–Worldwide Factories Make After-Sale Worry-free!
In 2009, CZPT established Jersey North American Research Center in Seattle in the United States, attracting many top-notch compressor experts from around the world and creating a new model that is aptly described as “developed in America, Made in China”
Kaishan is headquartered in HangZhou in ZHangZhoug, China. It has subsidiaries in ZheJiang , Chgonqing, ZheJiang , ZheJiang , Hong Kong, Seattle, San Diego, Orlando, Melbourne, Singapore, Jakarta, Leobersdorf, Budapest and Belgrade, as well as offices in Russia, Colombia, Brazil, Korea, Malaysia and Thailand.
Advanced Equipment–Advanced equipment guarantees product quality
Certifications
Global Customers–You are not alone!
Customer Cases
| After-sales Service: | One Year Warranty |
|---|---|
| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |

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 one motor, they are lightweight, compact, and easy to handle. Using one 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 one 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.
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 one 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, four 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 one 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 one cylinder and two valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery one 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, one piston, and one 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 one is suitable for larger-scale arsenals.
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 two 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 twenty to forty 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 forty 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 fifty percent on and twenty-five 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 one percent.
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 four amps of power. A one-horsepower compressor would draw about twelve 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 three 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.


editor by CX 2023-04-19
China manufacturer 185kw 7-10 Bar Promotional Double Screw Air Compressor 100% Oil-Free High Performance Low Pressure Compressors (New Product of 2021) wholesaler
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TROGD-185 185KW 7-10Bar .7-1.0Mpa 252HP extremely silent screw boge full variable frequency air compressor
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A Buyer’s Information to Air Compressor Sorts
There are many kinds of Air Compressors, and it’s essential to understand what each and every variety has to offer. In this post, we are going to go over single stage air compressors, low-sound compressors, and versions with two pistons. But, prior to you get an Air Compressor, be confident to study our buyer’s manual to the a variety of kinds. This way, you are going to have all of the info you need to have to make the proper choice for your enterprise.
Solitary-phase air compressors
A single-phase air compressor is an superb selection for most common-function needs. They provide adequate energy to function pneumatic tools, and they generate less heat. One-phase air compressors, even so, are not suitable for large-duty industrial utilizes. However, they can be utilized in numerous programs, such as vehicle retailers, fuel stations, and numerous producing amenities. They are also suited for borewells and other large-force spots.
These air compressors are a wonderful selection for house use and are suited for little-scale companies, contractors, and small stores. These compressors have ongoing obligation cycles, cast iron compressor pumps, and a minimal 5,000-hour pump daily life. They also characteristic innovative attributes, such as ODP motors, Vehicle Start off & Controls, Receiver tanks, and energy cords. They have low upkeep and can help save you a great deal of money.
Solitary-phase air compressors are usually less costly and lighter than their two-phase counterparts. One-phase air compressors are also much more portable, which is a furthermore for little tasks. While two-stage compressors offer larger CFM, they are much more strong and bulky, producing them unsuitable for little or property use. So it is crucial to decide what you will use the air compressor for and make a decision on a design dependent on your demands.
A solitary-stage air compressor is manufactured of a piston and a tank. The piston moves quickly inside of the cylinder and exerts force on the cylinder. This implies that the piston can’t go any more quickly than the air pressure outside the cylinder. The piston is created to run in the identical way for every single stage. This is a fantastic decision for home stores and one particular-guy automotive shops, as it allows you to management the strain with no sacrificing the pump’s life.
Solitary-stage air compressors are typically cheaper than two-phase versions, but they are not the greatest option for every application. If you are only utilizing your air compressor from time to time, you may locate a 1-stage design to be a lot far more reputable than a two-phase design. The principal distinction amongst the two sorts of compressors is in the amount of air that every single phase compresses. A two-phase air compressor will have much more air storage ability, but it will even now create far more strain.
Rotary vane compressors
Rotary vane compressors use a centrifugal pump to compress air. The rotor is established eccentrically in the housing, which nearly touches the vane. As the rotor turns, the air that enters the pump is trapped in between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are tiny items of carbon fiber or graphite composite. Vanes may possibly be produced of diverse materials based on the software.
Although rotary vane pumps are not typically employed to create compressed air, they are broadly employed in automotive and hydraulic apps. Possibilities are, you have employed a rotary vane pump at some point in your existence. These pumps are also typical in the vacuum and compressed air industries. As a end result, a lot of individuals will not realize that they’re nevertheless around. They attribute slots that enable the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor within. The rotor is eccentrically positioned and has slots and grooves on its surface area. Its inlet and outlet ports are positioned off-middle, making it possible for the vanes to be pushed out by centrifugal power. Simply because the rotor rotates so swiftly, air is trapped among the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be very easily serviced and fixed. A easy replacement of carbon vanes calls for just 15 minutes and widespread resources. The carbon vanes usually previous 9 to eighteen months, depending on system operating force. Before buying a rotary vane compressor, make confident to check out no matter whether it has been appropriately overall performance-tested and has a warranty. Typically, warranties include the rotor/stator chambers but do not go over the vanes or air filters. You must also check if the device is covered by a lightning or h2o hurt guarantee.
Rotary vane compressors are an integral element of manufacturing industries. Numerous pharmaceutical production amenities count on rotary vane compressors to handle their products. Other industries that use rotary vane compressors include the plastics, woodworking, natural gasoline, and medical & dental fields. Their positive aspects are several and significantly outweigh any negatives of rotary screw compressors. For case in point, a rotary vane compressor can double the lifestyle of a traditional compressor.
Rotary vane compressors with minimal-sound designs
If you are looking for a rotary vane air compressor, you have appear to the right area. Champion’s LV Series rotary vane compressors provide minimal-sounds versions, compact size, and robust integration. In addition to their minimal-noise attributes, they characteristic big filter techniques to deliver large-top quality compressed air. The LV Sequence models also function Champion’s reputation for dependability and quality.
This type of compressor makes use of centrifugal force to run and is limited in its prime and bare minimum functioning speeds. They are only a third as effective as screw compressors, and their leading velocity limitations are much lower. Furthermore, the vanes wear out simply at large speeds because there is not adequate centrifugal power to seal them against the cylinder’s edges. Even at half their complete potential, they consume as significantly as eighty% of their whole strength ranking.
Because piston compressors generate a good deal of sound, manufacturing unit house owners and store proprietors have started to set up sound-dampening cabinets and other solutions. But, rotary vane compressors generate far significantly less sounds than a traditional vacuum, and the servicing costs are also reduced. Rotary vane compressors are also incredibly beneficial in a number of industries. They are employed in the automotive and vehicle finishing industries, as well as in dairy industries and milking devices.
If you have a deep pond, a rotary vane air compressor package can pump up to 20 toes of water. This is a lot more than adequate airflow for two to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also assists to boost circulation and oxygen ranges in the pond. Ultimately, a 1/4 HP package delivers the necessary power to clear up the bottom of a pond.
The rotary vane and rotary screw are the most well-liked air compressors these days. Whilst they are comparable in numerous techniques, they are far more flexible and tough than their counterparts. They use much less angular speak to ball bearings and demand considerably less recurrent maintenance than piston air compressors. In contrast to piston air compressors, rotary vane and rotary screw compressors are quieter and are much less pricey.
Rotary vane compressors with two pistons
The rotary vane and rotary screw compressors are equivalent in application, but equally have distinct rewards and drawbacks. This article will compare the rewards of each and highlight the distinctions amongst them. Even though both are typically utilised in industrial apps, rotary vane compressors are desired by many industries. These compressors also have a broad variety of makes use of, ranging from automotive air tool operation to milking devices. These compressors also have the gain of currently being quieter than piston-powered ones.
The existing frequent rail situation may not be ideal for strain swirl injectors, but new positions have been examined and show advancements in distinct energy values. Furthermore, the recent place is not essential for exterior oil pumps. Nevertheless, mass induction and expulsion have to be carried out with utmost treatment. This post focuses on the style and efficiency of rotary vane compressors. You can locate more information about this new design and style in the references described beneath.
The positive aspects of this sort of compressor are its lower value, compact measurement, and effortless upkeep. Consequently, they are preferred in lower capacity programs. Moreover, they characteristic built-in vanes. The rotating vanes shut the air hole and compress air in the direction of the outlet. Compared to piston-driven compressors, these units are less costly and much more reliable. For that reason, you should choose 1 with the lowest cost tag. You can also opt for rotary vane compressors that are oil-totally free.
Sliding vane compressors are another popular variant. They have a solitary cylinder connected to the compressor and are capable of running at low speeds. This style also lowers the amount of friction and maintains volumetric effectiveness. Even so, the sliding vane compressors endure from high frictional losses. If you are seeking for a much more productive rotary compressor, this is the best alternative. While sliding vane compressors have been in the spotlight for more than a century, they are still very youthful.
These compressors are easy to put in and keep. They are also quieter than piston compressors. They are also less expensive than piston-pushed compressors. The strength efficiency and minimal price make them the ideal selection for any industrial or industrial application. If you happen to be seeking for a modest, compact compressor, the rotary vane has been established to be the ideal option for your demands. You need to know that it has a prolonged service daily life.

