Humanized 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.

Product 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 30liters | |
Motor speed | N=2970r/min | |
Rated power | 75kw | |
Air capacity | V=13m3/min | |
Weight | 1200kg | |
Upper air temperature | 45ºC | |
Lower limit of air temperature | 0ºC | |
Fuel consumption | Exhaust oil content is less than 3PPM | |
Noise level | 80dB(A) | |
Dimensions (length×width×height) (mm) | 1800x1190x1710 |
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. Kaishan 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 | Exhaust pressure (Mpa) | Exhaust volume (m³/min) | Motor power (KW) | Exhaust connection | Weight (kg) | Dimension (mm) |
BK7.5-8G | 0.8 | 1.20 | 7.5 | G3/4 | 200 | 800x620x800 |
BK7.5G-8 | 0.8 | 1.10 | 7.5 | G3/4 | 200 | 880x510x800 |
BK11-8G | 0.8 | 1.70 | 11 | G1 | 280 | 1000x670x1090 |
BK15-8G | 0.8 | 2.40 | 15 | G1 | 280 | 1000x670x1090 |
BK15-8 | 0.8 | 2.40 | 15 | G1 | 270 | 700x670x1250 |
BK15-10 | 1.0 | 2.20 | 15 | G1 | 270 | 700x670x1250 |
BK15-13 | 1.3 | 1.70 | 15 | G1 | 270 | 700x670x1250 |
BK22-8G | 0.8 | 3.45 | 22 | G1 | 390 | 1200x800x1120 |
BK22-10G | 1.0 | 3.20 | 22 | G1 | 390 | 1200x800x1120 |
BK22-13G | 1.3 | 2.70 | 22 | G1 | 390 | 1200x800x1120 |
BK30-8G | 0.8 | 5.00 | 30 | G1½ | 470 | 1340x850x1330 |
BK30-10G | 1.0 | 4.40 | 30 | G1½ | 470 | 1340x850x1330 |
BK30-13G | 1.3 | 3.60 | 30 | G1½ | 470 | 1340x850x1330 |
BK37-8G | 0.8 | 6.00 | 37 | G1½ | 560 | 1340x850x1330 |
BK37-10G | 1.0 | 5.40 | 37 | G1½ | 560 | 1340x850x1330 |
BK37-13G | 1.3 | 4.60 | 37 | G1½ | 560 | 1340x850x1330 |
BK45-8G | 0.8 | 7.10 | 45 | G1½ | 720 | 1480x1030x1340 |
BK45-10G | 1.0 | 6.20 | 45 | G1½ | 720 | 1480x1030x1340 |
BK45-13G | 1.3 | 5.60 | 45 | G1½ | 720 | 1480x1030x1340 |
BK55-8G | 0.8 | 10.00 | 55 | G1½ | 790 | 1480x1030x1340 |
BK55-10G | 1.0 | 7.20 | 55 | G1½ | 790 | 1480x1030x1340 |
BK55-13G | 1.3 | 6.20 | 55 | G1½ | 790 | 1480x1030x1340 |
BK75-8 | 0.8 | 13.00 | 75 | G2 | 1200 | 1800x1190x1710 |
BK90-8 | 0.8 | 16.00 | 90 | G2 | 1240 | 1800x1190x1710 |
BK110T-8 | 0.8 | 21.00 | 110 | DN65 | 1630 | 2100x1230x1730 |
BK110-8 | 0.8 | 21.00 | 110 | DN65 | 1680 | 2100x1230x1730 |
BK132T-8 | 0.8 | 24.00 | 132 | DN65 | 1670 | 2100x1230x1730 |
BK132-8 | 0.8 | 24.00 | 132 | DN65 | 1750 | 2100x1230x1730 |
Why Choose Us
Kaishan group is a state-level large scale enterprise headquartered in Quzhou, Zhejiang province, China. Over the last sixty years Kaishan Group has grown to become a significant diversified engineering company developing high value machinery for industry worldwide. Kaishan group is the largest rock drill manufacturer in the world, and the largest air compressor manufacturer in China. Exports are shipped to over 25 countries .Today we produce over 30 000 rotary screw and 250 000 reciprocating compressors annually.By the year of 2014 our sales amount was close to RMB 2 billion. Kaishan group also has the high-quality customer service system.
Our company is the authorized agent of Kaishan Group, specializing in air compressor, energy-saving transformation service and mining engineering construction machinery. We provide comprehensive technical support and after-sales service to customers.


Advanced Equipment--Advanced equipment guarantees product quality. Over the years, we have received unanimous praise from overseas users for our integrity and high-quality product quality.
PackagingThe air compressor is guaranteed for one year. In addition to wearing parts and consumables, if the spare parts within the warranty period are broken, the company provides free spare parts replacement, but the buyer needs to pay the freight. Please ask customer service for specific warranty rules.
