Product Description
BK series new screw air compressor new-generation low-consumption and high-efficiency motor;Large starting torque, insulation class F, protection class IP54;SKF bearings, low noise and long life;With a refueling device, it can be refueled without stopping.
Product Description
Yin-Yang Rotor Compression System
Better sealing, smaller leakage channel will produce high-efficiency roller sliding film to reduce heat of compression, and gas production is improved by 10%-15%
Built-in oil and gas separation design
Adopt a built-in oil separation setting to ensure the oil and gas separation effect and reduce fuel consumption
·High filtration level and low flow resistance
·Good noise reduction and mute effect
· Oil and gas separation, high-temperature resistance, high-pressure resistance – reduce the oil content of the exhaust
·Clean exhaust to ensure clean gas
Timely Smart Control Panel
·Using a user-friendly interface to prompt operation, clear at a glance, real-time monitoring of information, providing important information alarm, storage, and query functions
Precision oil filter
·Use high-density filter paper to filter oil
· Completely filter out lubricating oil
Low-consumption and high-efficiency motor, large starting torque
·Insulation class F, protection class IP23.
·Built-in refueling device, can refuel without stopping.
Cooling copper pipe
The radiator made of high-quality copper tubes can make the heat generated by the condensation of the machine quickly Dissipate, maintain the internal temperature
oil pipeline
·Excellent material
·Stable oil delivery without clogging
The system adopts the step-less adjustment of the displacement of 0-100. When the air consumption is reduced, the exhaust volume is also reduced, and the current of the motor is also reduced at the same time; when the air is not used, the air compressor runs empty, and the air compressor is automatically stopped for a long time. When the gas consumption increases, resume the heavy vehicle. Excellent energy-saving effect.
good environmental adaptability
The extraordinary cooling system design is especially suitable for Asia’s high temperature and high humidity environments. The excellent vibration isolation technology and noise reduction measures make the installation of CHINAMFG screw air compressors not require special foundations. As long as a small space for ventilation and maintenance is left, your compressor can be installed well.
Design features of screw rotor profile:
1. Fully realize “surface-to-surface” meshing, thereby helping to form a hydrodynamic lubricating film, reducing lateral leakage through the contact belt, improving compressor efficiency; and improving rotor processing and inspection performance.
2. Adopt the design idea of “large rotor, large bearing, low speed”, the speed is 3050 lower than other brands, which can reduce noise and vibration, reduce exhaust temperature, improve rotor rigidity, prolong service life, and reduce the carbonization of impurities and oil animal sensitivity.
3. The power range is 4355KW, of which 18.5250KW are directly connected without a gearbox, 200KW and 250KW are directly connected with 4-pole motors, and the speed is as low as
Product Parameters
|
Screw group |
5: 6 Gear rotor |
|
|
Compression method |
Continuous, CHINAMFG |
|
|
Compressed air outlet pressure |
13MPa |
|
|
Compressed air outlet temperature |
Air-cooled |
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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 |
22kw |
|
|
Displacement |
1.3MPa |
3.6m³/min |
|
Weight |
540kg |
|
|
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) |
1200x800x1120 |
|
|
Model |
Working Pressure |
Capacity |
Motor Power |
Connector |
Weight |
Noise |
Dimension |
|
Bar |
m³/min |
kw |
kg |
dB(A) |
mm |
||
|
BMVF7.5G |
0.65-1.0 |
1.0-1.25 |
7.5 |
G3/4 |
200 |
72 |
800*510*800 |
| BMVF11G |
0.65-1.0 |
1.5-1.85 |
11 |
G1
|
260 |
73 |
1000*670*1090 |
| BMVF15G | 0.65-1.0 |
2.05-2.35 |
15 |
280 |
73 |
1000*670*1090 |
|
|
BMVF22G |
0.65-1.0 |
2.95-3.95 |
22 |
390 |
74 |
1200*800*1120 |
|
| BMVF37G | 0.65-1.0 |
5.05-6.35 |
37 |
600 |
76 |
1340*850*1300 |
|
|
BMVF45G |
0.65-1.0 |
6.45-8.2 |
45 |
800 |
78 |
1480*1030*1365 |
|
| BMVF55G | 0.65-1.0 |
8.2-9.85 |
55 |
810 |
80 |
||
| BMVF75 | 0.65-1.0 |
10.5-13.1 |
75 |
G2 |
1280 |
81 |
1800*1190*1710 |
| BMVF90 | 0.65-1.0 |
12.5-15.5 |
90 |
1300 |
81 |
||
| BMVF110 | 0.65-0.8 |
22 |
110 |
DN65 |
1850 |
82 |
2700*1230*1730 |
| BMVF132 | 0.65-0.8 |
24 |
132 |
2270 |
82 |
| 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 |
Detailed Photos
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. CHINAMFG 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.
Application
Electric power, petroleum, auto repair, laser equipment, metallurgy, biopharmaceutical, printing, garment industry
Company Profile
FAQ
1.How do your prices compare to the manufacturer/factory?
We are the main distributor of major construction machinery manufacturers/factories in China and keep getting the best dealer prices. From the comparison and feedback from many customers, our price is even more competitive than the factory/factory price.
2.How is the delivery time?
In general, we can deliver ordinary machines immediately to our customers within 7 days, as we have various resources to inspect stock machines, locally and nationwide, and receive machines in a timely manner. But it takes more than 30 days for a manufacturer/factory to produce an order machine.
3.How often can you respond to customer inquiries?
Our team is made up of a group of hardworking and dynamic people who work around the clock to respond to customer inquiries and questions. Most issues can be successfully resolved within 8 hours, while manufacturers/factories take longer to respond.
4.Which payment methods can you accept?
Usually we can use wire transfer or letter of credit, and sometimes DP. (1) Wire transfer, 30% deposit in advance, 70% balance paid before shipment, long-term cooperation customers can present a copy of the original bill of lading. (2) Letter of credit, 100% irrevocable letter of credit without “soft terms” from internationally recognized banks can be accepted. Please seek advice from the sales manager you work with.
5.Which clauses in the Incoterms 2571 can you use?
We are a professional and mature international player and can handle all INCOTERMS 2571, we usually work on regular terms like FOB, CFR, CIF, CIP, DAP.
6.How long are your prices valid?
We are a gentle and friendly supplier, never greedy for profit. Our prices remain largely stable throughout the year. We will only adjust the price according to the following 2 situations: (1) USD exchange rate: According to the international currency exchange rate, the RMB exchange rate is quite different; (2) The manufacturer/factory adjusted the machine price due to the increase of labor cost or raw material cost.
7.What logistics methods can you use for shipping?
We can transport construction machinery with various means of transport. (1) 80% of our shipping will be by the sea, to all major continents such as Africa, South America, Middle East. (2) China’s inland neighboring countries, such as Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, etc., can transport by road or rail. (3) For urgently needed light spare parts, we can provide international express services, such as DHL, TNT, UPS, FedEx, etc.
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| After-sales Service: | Warranty Service |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Samples: |
US$ 1450/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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|---|
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What is the impact of humidity on compressed air quality?
Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:
1. Corrosion:
High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.
2. Contaminant Carryover:
Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.
3. Decreased Efficiency of Pneumatic Systems:
Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.
4. Product Contamination:
In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.
5. Increased Maintenance Requirements:
Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.
6. Adverse Effects on Instrumentation:
Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.
To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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What is the role of air compressor tanks?
Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:
1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.
2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.
3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.
4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.
5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.
6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.
Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.
editor by CX 2024-03-10