China OEM BK30-8G 30KW/40HP 175cfm/8bar High Pressure Gas Compressor small air compressor

Product Description

BK series Screw Air Compressor Instruction:
The CHINAMFG (BK) series compressor represent a giant leap in design and performance with each component designed for reliability and ease of maintenance. The compressor is manufactured in compliance with applicable international standards CE,IAF and others and designed as per the international quality standards. These new generation compressor significantly reduce operating costs and provide cost savings with fast return on investment.

The BK series industrial screw air compressor comes configured as belt driven (11kw – 18.5kw), optional gear driven, direct driven(7.5kw – 132kw) with discharge pressures from 0.8MPa to 1.3MPa. And can variable frequency.
Product Application
  Rotors are the key elements in producing compressed air efficiently. CHINAMFG airends utilize a male 5 lobe rotor driving rotor and a 6 lobe female rotor(driven rotor).These state of the art Y profile rotors were introduced in the LG series compressor. 
 
They have the following characteristics:

1.Larger rotors are designed to ensure the airends have slower rotor speeds to deliver compressed air more efficiently than smaller airends

2.This translates into energy cost savings and a longer unit life.

3.The airends are guaranteed for 3 years. The rotor profile minimizes leakage and the tighter clearances achieved through state of the art manufacturing processes results in higher.

4.efficiency and improved lubrication.
 

Main Features

Fully seal & double screw,dual shock proof,smooth operation,can be installed anywhere.

♦ With a exquisite shape and compact structure and cover a small area.

♦ Large displacement,stable pressure and high efficiency.

♦ Low exhaust temperature (only 7 °C~10°C higher than the ambient temperature)

♦ Safe,liable,smooth operation,little noise and long maintenance cycle and using life.

♦ The intelligent control system completely satisfy the continuous cooperation without man work.

♦ Many screw air compressors operate together and start or shut down automatically according to the air amount,and no man-work is needed.

♦ It is more energy saving for a single compressor can adjust air demand automatically according to the users’ air amount(frequency conversion type).

♦ The degree of tightness of the belt can be auto-matched with the flexible belt. Through adjusting the tensility, the loss of the pressure and efficiency can be reduced to the lowest point and increase the time efficiency of pressing. 
 
♦ Narrow belt has higher transmission power with efficiency of about 98%.the structure can reduce internal heat and prevent aging. It enjoy Longer service life and much lower stretch ability.
 
Economic operation
The system adopts stepless capacity regulation of 0-100%. When the gas consumption is reduced, exhaust volume decreases, the motor current decreases at the same time; when no gas, air compressor run empty, empty for too long the automatic shutdown. When the gas consumption increases, the resumption of heavy truck. Energy-saving effect is optimal.

Good environment adaptability
Design of cooling system of extraordinary, especially suitable for high temperature, high humidity environment in Asia. Vibration and noise reduction measures excellent, make CHINAMFG brand screw air compressor installation without special foundation, just leave the minimum ventilation and maintenance space, can arrange your compressor. 

Parameter for BK series Screw Air Compressor
 

Model Air capacity Discharge pressure Motor Power Outlet Size Noise level Weight drive type Dimension
m3/min CFM Mpa   Kw HP inch dB(A) KG belt/direct ( Lx WxH ) mm
BK7.5-8G 1.2 42 0.8 7.5 10 G1 72 200 direct 800x620x800
BK7.5G-8 1.2 42 0.8 7.5 10 G1 72 200 direct 800x620x800
BK11-8 1.7 59.5 0.8 11 15 G1 72 290 belt 700x670x1250
BK11-10 1.5 52.5 1 11 15 G1
BK11-13 1.2 42 1.3 11 15 G1
BK11-8G                 direct  
BK15-8 2.4 84 0.8 15 20 G1 72 290 belt 700x670x1250
BK15-10 2.2 77 1 15 20 G1
BK15-13 1.7 59.5 1.3 15 20 G1
BK15-8G 2.4 84 0.8 15 20 G1 direct
BK18-8G 3 105 0.8 18.5 25 G1 75 500 direct 1080 x880 x1235
BK18-10G 2.7 94.5 1 18.5 25 G1
BK22-8ZG 3.6 126 0.8 22 30 G1 76 560 direct 1410*850*1120
BK22-10G 3.2 112 1 22 30 G1  
BK22-13G 2.7 94.5 1.3 22 30 G1
BK30-8G 5 175 0.8 30 41 G1 1/2 77 650 direct 1120x930x1290
BK30-10G 4.4 154 1 30 41 G1 1/2
BK30-13G 3.6 126 1.3 30 41 G1 1/2
BK37-8ZG 6 210 0.8 37 50 G1 1/2 79 740 direct 1530*900*1230 
BK37-10G 5.5 192.5 1 37 50 G1 1/2
BK37-13G 4.6 161 1.3 37 50 G1 1/2
BK45-8 7.1 248.5 0.8 45 61.2 G1 1/2 79 820 belt 1240 x1030 x 1595
BK45-10 6.5 227.5 1 45 61.2 G1 1/2 79 820
BK45-13 5.6 196 1.3 45 61.2 G1 1/2 79 820
BK55-8 9.5 332.5 0.8 55 74.8 G1 1/2 80 1200 belt 1540 x 1200 x 1470
BK55-10 8.5 297.5 1 55 74.8 G1 1/2 80 1200
BK55-13 7.4 259 1.3 55 74.8 G1 1/2 80 1200
BK45-8GH 7.1 248.5 0.8 45 61.2 G1 1/4 78 970 direct 1700 x 1050 x 1255
BK55-8GH 10 350 0.8 55 74.8 G1 1/2 80 1180 1790 x 1150 x 1360
BK75-8GH 13 455 0.8 75 102 G2 81 1470 2000 x 1200 x 1500
BKL90-8GH 16 560 0.8 90 122.4 G2 81 1520  
BK110-8GH 20 700 0.8 110 149.6 DN65 82 2210 2410×1300 x1670
BKL132-8GH 22 770 0.8 132 179.52 DN65 82 2370  
BK110-8T 20 700 0.8 110 149.6 DN65 82 2210   2410×1300 x1670
BKL132-8T 22 770 0.8 132 179.52 DN65 82 2370    

Living producing status in workshop: 

The package for compressor:

About CHINAMFG Group:
CHINAMFG Group is located in HangZhou City ZHangZhoug Province, which covers an area of 514,800 square CHINAMFG with total assets of 1 billion dollars. There are more 6000 staffs, including 1075 technicians serving for this group company.
ZHangZhoug CHINAMFG Compressor Co., Ltd. is the largest compressor and pneumatic tools manufacturer in China. In year 2571 it produced and delivered a total amount of 27,000pcs screw compressors units and 200,000pcs piston compressors units for domestic and oversea marketing.
KAISHAN compressor has a complete vertical integrated production line from foundry plant, air head plant, air receiver plant, sheet metal plant, heat exchanger plant to the final unit and system assembling plant.
We are over 50 years professional manufacturer of air compressor and drilling tools and we are approved with CE, ISO9001, ISO14001, ASME, GC Energy saving certificate etc. 

FAQ Collection:

Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.

Q2: What the exactly address of your factory?
A2: Our factory is located in No.9 Kaixuan Ave West,Economic Zone HangZhou, ZHangZhoug, 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 the voltage of products? Can they be customized?
A5: Our standard voltage is 380V, 50HZ, 3phase. The voltage can be customized according to your equirement.

Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.

Q7: How long will you take to arrange production?
A7: we can delivery the normal goods within 7-15 days. Other nonstandard electrical items we will delivery within 25-30 days.

Q8: Can you accept OEM orders?
A8: Yes, with professional design team, OEM orders are highly welcome.

Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

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After-sales Service: one year
Warranty: 6 months
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Samples:
US$ 2255/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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air compressor

How Do Gas Air Compressors Compare to Diesel Air Compressors?

When comparing gas air compressors to diesel air compressors, there are several factors to consider, including fuel efficiency, power output, cost, maintenance requirements, and environmental impact. Here’s a detailed explanation of how these two types of air compressors compare:

1. Fuel Efficiency:

Diesel air compressors are generally more fuel-efficient compared to gas air compressors. Diesel engines have higher energy density and better overall efficiency than gasoline engines. This means that diesel compressors can produce more work output per unit of fuel consumed, resulting in lower fuel costs and longer runtimes between refueling.

2. Power Output:

Diesel air compressors typically provide higher power output compared to gas air compressors. Diesel engines are known for their robustness and ability to generate higher torque, making them suitable for heavy-duty applications that require a larger volume of compressed air or higher operating pressures.

3. Cost:

In terms of upfront cost, gas air compressors are generally more affordable compared to diesel air compressors. Gasoline engines and components are typically less expensive than their diesel counterparts. However, it’s important to consider long-term costs, including fuel expenses and maintenance, which can vary depending on factors such as fuel prices and usage patterns.

4. Maintenance Requirements:

Diesel air compressors often require more regular maintenance compared to gas air compressors. This is because diesel engines have additional components such as fuel filters, water separators, and injector systems that need periodic servicing. Gas air compressors, on the other hand, may have simpler maintenance requirements, resulting in reduced maintenance costs and time.

5. Environmental Impact:

When it comes to environmental impact, diesel air compressors produce higher emissions compared to gas air compressors. Diesel engines emit more particulate matter, nitrogen oxides (NOx), and carbon dioxide (CO2) compared to gasoline engines. Gas air compressors, especially those powered by propane, tend to have lower emissions and are considered more environmentally friendly.

6. Portability and Mobility:

Gas air compressors are generally more portable and easier to move compared to diesel air compressors. Gasoline engines are typically lighter and more compact, making gas air compressors suitable for applications where mobility is essential, such as construction sites or remote locations.

It’s important to note that the specific requirements of the application and the availability of fuel sources also play a significant role in choosing between gas air compressors and diesel air compressors. Each type has its own advantages and considerations, and the choice should be based on factors such as the intended usage, operating conditions, budget, and environmental considerations.

In conclusion, gas air compressors are often more affordable, portable, and suitable for lighter applications, while diesel air compressors offer higher power output, fuel efficiency, and durability for heavy-duty operations. Consider the specific needs and factors mentioned above to determine the most appropriate choice for your particular application.

air compressor

What Is the Role of Air Receivers in Gas Air Compressor Systems?

Air receivers play a crucial role in gas air compressor systems by serving as storage tanks for compressed air. Here’s a detailed explanation:

1. Storage and Stabilization:

The primary function of an air receiver is to store compressed air generated by the gas air compressor. As the compressor produces compressed air, the air receiver collects and stores it. This storage capacity helps meet fluctuating demand in compressed air usage, providing a buffer between the compressor and the system’s air consumption.

By storing compressed air, the air receiver helps stabilize the supply to the system, reducing pressure fluctuations and ensuring a consistent and reliable flow of compressed air. This is particularly important in applications where the demand for compressed air may vary or experience peaks and valleys.

2. Pressure Regulation:

Another role of the air receiver is to assist in pressure regulation within the gas air compressor system. As compressed air enters the receiver, the pressure inside increases. When the pressure reaches a predetermined upper limit, typically set by a pressure switch or regulator, the compressor stops supplying air, and the excess air is stored in the receiver.

Conversely, when the pressure in the system drops below a certain lower limit, the pressure switch or regulator signals the compressor to start, replenishing the compressed air in the receiver and maintaining the desired pressure level. This cycling of the compressor based on pressure levels helps regulate and control the overall system pressure.

3. Condensate Separation:

During the compression process, moisture or condensate can form in the compressed air due to the cooling effect. The air receiver acts as a reservoir that allows the condensate to settle at the bottom, away from the outlet. The receiver often includes a drain valve at the bottom to facilitate the removal of accumulated condensate, preventing it from reaching downstream equipment and causing potential damage or performance issues.

4. Energy Efficiency:

Air receivers contribute to energy efficiency in gas air compressor systems. They help optimize the operation of the compressor by reducing the occurrence of short-cycling, which refers to frequent on-off cycling of the compressor due to rapid pressure changes. Short-cycling can cause excessive wear on the compressor and reduce its overall efficiency.

The presence of an air receiver allows the compressor to operate in longer and more efficient cycles. The compressor runs until the receiver reaches the upper pressure limit, ensuring a more stable and energy-efficient operation.

5. Air Quality Improvement:

Depending on the design, air receivers can also aid in improving air quality in the compressed air system. They provide a space for the compressed air to cool down, allowing moisture and some contaminants to condense and separate from the air. This can be further enhanced with the use of additional filtration and drying equipment installed downstream of the receiver.

In summary, air receivers play a vital role in gas air compressor systems by providing storage capacity, stabilizing compressed air supply, regulating system pressure, separating condensate, improving energy efficiency, and contributing to air quality control. They are an integral component in ensuring the reliable and efficient operation of compressed air systems across various industries and applications.

air compressor

How Does a Gas Air Compressor Work?

A gas air compressor works by utilizing a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air can then be used for various applications. Here’s a detailed explanation of how a gas air compressor operates:

1. Gas Engine:

A gas air compressor is equipped with a gas engine as its power source. The gas engine is typically fueled by gasoline, diesel, natural gas, or propane. When the engine is started, the fuel is combusted within the engine’s cylinders, generating mechanical energy in the form of rotational motion.

2. Compressor Pump:

The gas engine drives the compressor pump through a mechanical linkage, such as a belt or direct coupling. The compressor pump is responsible for drawing in atmospheric air and compressing it to a higher pressure. There are different types of compressor pumps used in gas air compressors, including reciprocating, rotary screw, or centrifugal, each with its own operating principles.

3. Intake Stroke:

In a reciprocating compressor pump, the intake stroke begins when the piston moves downward within the cylinder. This creates a vacuum, causing the inlet valve to open and atmospheric air to be drawn into the cylinder. In rotary screw or centrifugal compressors, air is continuously drawn in through the intake port as the compressor operates.

4. Compression Stroke:

During the compression stroke in a reciprocating compressor, the piston moves upward, reducing the volume within the cylinder. This compression action causes the air to be compressed and its pressure to increase. In rotary screw compressors, two interlocking screws rotate, trapping and compressing the air between them. In centrifugal compressors, air is accelerated and compressed by high-speed rotating impellers.

5. Discharge Stroke:

Once the air is compressed, the discharge stroke begins in reciprocating compressors. The piston moves upward, further reducing the volume and forcing the compressed air out of the cylinder through the discharge valve. In rotary screw compressors, the compressed air is discharged through an outlet port as the interlocking screws continue to rotate. In centrifugal compressors, the high-pressure air is discharged from the impeller into the surrounding volute casing.

6. Pressure Regulation:

Gas air compressors often include pressure regulation mechanisms to control the output pressure of the compressed air. This can be achieved through pressure switches, regulators, or control systems that adjust the compressor’s operation based on the desired pressure setting. These mechanisms help maintain a consistent and controlled supply of compressed air for the specific application requirements.

7. Storage and Application:

The compressed air produced by the gas air compressor is typically stored in a receiver tank or used directly for applications. The receiver tank helps stabilize the pressure and provides a reservoir of compressed air for immediate use. From the receiver tank, the compressed air can be distributed through pipelines to pneumatic tools, machinery, or other devices that require the compressed air for operation.

Overall, a gas air compressor operates by using a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air is then regulated and used for various applications, providing a reliable source of power for pneumatic tools, machinery, and other equipment.

China OEM BK30-8G 30KW/40HP 175cfm/8bar High Pressure Gas Compressor   small air compressor China OEM BK30-8G 30KW/40HP 175cfm/8bar High Pressure Gas Compressor   small air compressor
editor by CX 2024-02-10

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