Kaishan air compressors
BK Series Screw Air Compressor
Published technical specifications for each BK series screw air compressor model are listed in the model table.
Applications
Models and specifications
This page lists the BK series screw air compressor records; the published specifications of each model are in the model table below. The series covers 38 models. See each model’s published pressure, air delivery and operating conditions below.
| Model | Machine | Motor power (kW) | Weight (kg) | Air delivery / pressure (m³/min; MPa) |
|---|---|---|---|---|
| BK7.5-8G → | BK7.5-8G Air Compressor | 7.5 kW | 200 kg | Air delivery: 1.2 m³/min; Pressure: 0.8 MPa |
| BK55-8 → | BK55-8 Air Compressor | 55 kW | 900 kg | Air delivery: 9.5 m³/min; Pressure: 0.8 MPa |
| BK11-8G → | BK11-8G Air Compressor | 11 kW | 280 kg | Air delivery: 1.7 m³/min; Pressure: 0.8 MPa |
| BK55-10G → | BK55-10G Air Compressor | 55 kW | 790 kg | Air delivery: 7.2 m³/min; Pressure: 1 MPa |
| BK37-13G → | BK37-13G Air Compressor | 37 kW | 560 kg | Air delivery: 4.6 m³/min; Pressure: 1.3 MPa |
| BK132-10 → | BK132-10 Air Compressor | 132 kW | 1700 kg | Air delivery: 21.37 m³/min; Pressure: 1 MPa |
| BK7.5G-8 → | BK7.5G-8 Air Compressor | 7.5 kW | 200 kg | Air delivery: 1.1 m³/min; Pressure: 0.8 MPa |
| BK90-8 → | BK90-8 Air Compressor | 90 kW | 1240 kg | Air delivery: 16 m³/min; Pressure: 0.8 MPa |
| BKX7.5-10 → | BKX7.5-10 Air Compressor | On request | On request | Air delivery: 0.8 m³/min; Pressure: 1 MPa |
| BK15-13 → | BK15-13 Air Compressor | 15 kW | 270 kg | Air delivery: 1.7 m³/min; Pressure: 1.3 MPa |
| BK132-8 → | BK132-8 Air Compressor | 132 kW | 1750 kg | Air delivery: 24 m³/min; Pressure: 0.8 MPa |
| BK22-8G → | BK22-8G Air Compressor | 22 kW | 390 kg | Air delivery: 3.45 m³/min; Pressure: 0.8 MPa |
| BK55-8G → | BK55-8G Air Compressor | 55 kW | 790 kg | Air delivery: 10 m³/min; Pressure: 0.8 MPa |
| BK110T-8 → | BK110T-8 Air Compressor | 110 kW | 1630 kg | Air delivery: 21 m³/min; Pressure: 0.8 MPa |
| BK15G → | BK15G Air Compressor | 15 kW | 280 kg | Air delivery: 2.4 m³/min; Pressure: 0.8 MPa |
| BK45-10G → | BK45-10G Air Compressor | 45 kW | 720 kg | Air delivery: 6.2 m³/min; Pressure: 1 MPa |
| BK30-13G → | BK30-13G Air Compressor | 30 kW | 470 kg | Air delivery: 3.6 m³/min; Pressure: 1.3 MPa |
| BK55-13 → | BK55-13 Air Compressor | 55 kW | 900 kg | Air delivery: 7.4 m³/min; Pressure: 1.3 MPa |
| BK45-13 → | BK45-13 Air Compressor | 45 kW | 640 kg | Air delivery: 5.6 m³/min; Pressure: 1.3 MPa |
| BK37-10G → | BK37-10G Air Compressor | 37 kW | 560 kg | Air delivery: 5.4 m³/min; Pressure: 1 MPa |
| BK45-10 → | BK45-10 Air Compressor | 45 kW | 640 kg | Air delivery: 6.5 m³/min; Pressure: 1 MPa |
| BK55-13G → | BK55-13G Air Compressor | 55 kW | 790 kg | Air delivery: 6.2 m³/min; Pressure: 1.3 MPa |
| BK37-8G → | BK37-8G Air Compressor | 37 kW | 560 kg | Air delivery: 6 m³/min; Pressure: 0.8 MPa |
| BK45-8G → | BK45-8G Air Compressor | 45 kW | 720 kg | Air delivery: 7.1 m³/min; Pressure: 0.8 MPa |
| BK45-8 → | BK45-8 Air Compressor | 45 kW | 640 kg | Air delivery: 7.1 m³/min; Pressure: 0.8 MPa |
| BK110-8 → | BK110-8 Air Compressor | 110 kW | 1680 kg | Air delivery: 21 m³/min; Pressure: 0.8 MPa |
| BK45-13G → | BK45-13G Air Compressor | 45 kW | 720 kg | Air delivery: 5.6 m³/min; Pressure: 1.3 MPa |
| BKX7.5-13 → | BKX7.5-13 Air Compressor | On request | On request | Air delivery: 0.6 m³/min; Pressure: 1.3 MPa |
| BK15-10 → | BK15-10 Air Compressor | 15 kW | 270 kg | Air delivery: 2.2 m³/min; Pressure: 1 MPa |
| BK75-8 → | BK75-8 Air Compressor | 75 kW | 1200 kg | Air delivery: 13 m³/min; Pressure: 0.8 MPa |
| BK132T-8 → | BK132T-8 Air Compressor | 132 kW | 1670 kg | Air delivery: 24 m³/min; Pressure: 0.8 MPa |
| BK22-10G → | BK22-10G Air Compressor | 22 kW | 390 kg | Air delivery: 3.2 m³/min; Pressure: 1 MPa |
| BK30-10G → | BK30-10G Air Compressor | 30 kW | 470 kg | Air delivery: 4.4 m³/min; Pressure: 1 MPa |
| BK15-8 → | BK15-8 Air Compressor | 15 kW | 270 kg | Air delivery: 2.4 m³/min; Pressure: 0.8 MPa |
| BK55-10 → | BK55-10 Air Compressor | 55 kW | 900 kg | Air delivery: 8.5 m³/min; Pressure: 1 MPa |
| BKX7.5-8 → | BKX7.5-8 Air Compressor | On request | On request | Air delivery: 0.97 m³/min; Pressure: 0.8 MPa |
| BK30-8G → | BK30-8G Air Compressor | 30 kW | 470 kg | Air delivery: 5 m³/min; Pressure: 0.8 MPa |
| BK22-13G → | BK22-13G Air Compressor | 22 kW | 390 kg | Air delivery: 2.7 m³/min; Pressure: 1.3 MPa |
Complete specifications by model
BK7.5-8G →
- Model
- BK7.5-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 1.2 m³/min
- Tooling & air — Motor power
- 7.5 kW
- Tooling & air — Discharge port
- G3/4
- Dimensions & weight — Weight
- 200 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 800x620x800 mm
BK55-8 →
- Model
- BK55-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 9.5 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 900 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1545x1200x1470 mm
BK11-8G →
- Model
- BK11-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 1.7 m³/min
- Tooling & air — Motor power
- 11 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 280 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1000x670x1090 mm
BK55-10G →
- Model
- BK55-10G
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 7.2 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 790 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BK37-13G →
- Model
- BK37-13G
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 4.6 m³/min
- Tooling & air — Motor power
- 37 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 560 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK132-10 →
- Model
- BK132-10
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 21.37 m³/min
- Tooling & air — Motor power
- 132 kW
- Tooling & air — Discharge port
- DN65
- Dimensions & weight — Weight
- 1700 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 2100x1230x1730 mm
BK7.5G-8 →
- Model
- BK7.5G-8 (split type)
- Configuration
- Split type
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 1.1 m³/min
- Tooling & air — Motor power
- 7.5 kW
- Tooling & air — Discharge port
- G3/4
- Dimensions & weight — Weight
- 200 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 880x510x800 mm
BK90-8 →
- Model
- BK90-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 16.0 m³/min
- Tooling & air — Motor power
- 90 kW
- Tooling & air — Discharge port
- G2
- Dimensions & weight — Weight
- 1240 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1800x1190x1710 mm
BKX7.5-10 →
- Model
- BKX7.5-10
- Tooling & air — Air delivery
- 0.8 m³/min
- Tooling & air — Discharge pressure
- 1.0 MPa
- Power
- 7.5 kW
BK15-13 →
- Model
- BK15-13
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 1.7 m³/min
- Tooling & air — Motor power
- 15 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 270 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 700x670x1250 mm
BK132-8 →
- Model
- BK132-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 24.0 m³/min
- Tooling & air — Motor power
- 132 kW
- Tooling & air — Discharge port
- DN65
- Dimensions & weight — Weight
- 1750 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 2100x1230x1730 mm
BK22-8G →
- Model
- BK22-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 3.45 m³/min
- Tooling & air — Motor power
- 22 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 390 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1200x800x1120 mm
BK55-8G →
- Model
- BK55-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 10.0 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 790 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BK110T-8 →
- Model
- BK110T-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 21.0 m³/min
- Tooling & air — Motor power
- 110 kW
- Tooling & air — Discharge port
- DN65
- Dimensions & weight — Weight
- 1630 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 2100x1230x1730 mm
BK15G →
- Model
- BK15G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 2.4 m³/min
- Tooling & air — Motor power
- 15 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 280 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1000x670x1090 mm
BK45-10G →
- Model
- BK45-10G
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 6.2 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 720 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BK30-13G →
- Model
- BK30-13G
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 3.6 m³/min
- Tooling & air — Motor power
- 30 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 470 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK55-13 →
- Model
- BK55-13
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 7.4 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 900 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1545x1200x1470 mm
BK45-13 →
- Model
- BK45-13
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 5.6 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 640 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1240x1030x1390 mm
BK37-10G →
- Model
- BK37-10G
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 5.4 m³/min
- Tooling & air — Motor power
- 37 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 560 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK45-10 →
- Model
- BK45-10
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 6.5 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 640 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1240x1030x1390 mm
BK55-13G →
- Model
- BK55-13G
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 6.2 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 790 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BK37-8G →
- Model
- BK37-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 6.0 m³/min
- Tooling & air — Motor power
- 37 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 560 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK45-8G →
- Model
- BK45-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 7.1 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 720 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BK45-8 →
- Model
- BK45-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 7.1 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 640 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1240x1030x1390 mm
BK110-8 →
- Model
- BK110-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 21.0 m³/min
- Tooling & air — Motor power
- 110 kW
- Tooling & air — Discharge port
- DN65
- Dimensions & weight — Weight
- 1680 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 2100x1230x1730 mm
BK45-13G →
- Model
- BK45-13G
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 5.6 m³/min
- Tooling & air — Motor power
- 45 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 720 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1480x1030x1340 mm
BKX7.5-13 →
- Model
- BKX7.5-13
- Tooling & air — Air delivery
- 0.6 m³/min
- Tooling & air — Discharge pressure
- 1.3 MPa
- Power
- 7.5 kW
BK15-10 →
- Model
- BK15-10
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 2.2 m³/min
- Tooling & air — Motor power
- 15 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 270 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 700x670x1250 mm
BK75-8 →
- Model
- BK75-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 13.0 m³/min
- Tooling & air — Motor power
- 75 kW
- Tooling & air — Discharge port
- G2
- Dimensions & weight — Weight
- 1200 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1800x1190x1710 mm
BK132T-8 →
- Model
- BK132T-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 24.0 m³/min
- Tooling & air — Motor power
- 132 kW
- Tooling & air — Discharge port
- DN65
- Dimensions & weight — Weight
- 1670 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 2100x1230x1730 mm
BK22-10G →
- Model
- BK22-10G
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 3.2 m³/min
- Tooling & air — Motor power
- 22 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 390 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1200x800x1120 mm
BK30-10G →
- Model
- BK30-10G
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 4.4 m³/min
- Tooling & air — Motor power
- 30 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 470 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK15-8 →
- Model
- BK15-8
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 2.4 m³/min
- Tooling & air — Motor power
- 15 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 270 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 700x670x1250 mm
BK55-10 →
- Model
- BK55-10
- Tooling & air — Discharge pressure
- 1.0 MPa
- Tooling & air — Air delivery
- 8.5 m³/min
- Tooling & air — Motor power
- 55 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 900 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1545x1200x1470 mm
BKX7.5-8 →
- Model
- BKX7.5-8
- Tooling & air — Air delivery
- 0.97 m³/min
- Tooling & air — Discharge pressure
- 0.8 MPa
- Power
- 7.5 kW
BK30-8G →
- Model
- BK30-8G
- Tooling & air — Discharge pressure
- 0.8 MPa
- Tooling & air — Air delivery
- 5.0 m³/min
- Tooling & air — Motor power
- 30 kW
- Tooling & air — Discharge port
- G1½
- Dimensions & weight — Weight
- 470 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1340x850x1280 mm
BK22-13G →
- Model
- BK22-13G
- Tooling & air — Discharge pressure
- 1.3 MPa
- Tooling & air — Air delivery
- 2.7 m³/min
- Tooling & air — Motor power
- 22 kW
- Tooling & air — Discharge port
- G1
- Dimensions & weight — Weight
- 390 kg
- Dimensions & weight — Overall dimensions (L x W x H)
- 1200x800x1120 mm
Frequently asked questions
How do pressure and air delivery vary across the BK Series Screw Air Compressor?
See the published specifications for each model, retaining the listed pressure, delivery and operating conditions.
How do I choose between BK7.5-8G and BK55-8?
Compare the two rows in the model table above — focus on required pressure and air delivery against your drilling tool and rig demand. Our team can confirm the match for your site.
What drilling rigs can this series match?
DTH drilling rigs need air pressure and delivery matched to the hammer in use — tell us your rig and hammer and we will confirm the right compressor model.
Can the compressor be configured to my project?
Yes — standard and optional packages are listed under Configuration & customization above. Send your project details through the inquiry form and we will confirm the matching configuration.
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