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Kaishan Air Compressors/BK Series Screw Air Compressor
BK45-8G
BK45-8G is a Kaishan BK-series oil-injected rotary screw air compressor driven by a 45 kW motor. It delivers 7.1 m³/min at a discharge pressure of 0.8 MPa and weighs 720 kg.
Model
BK45-8G
Tooling & air — Discharge pressure
0.8 MPa
Tooling & air — Air delivery
7.1 m³/min
Tooling & air — Motor power
45 kW
Overview
BK45-8G is a Kaishan BK-series oil-injected rotary screw air compressor driven by a 45 kW motor. It delivers 7.1 m³/min at a discharge pressure of 0.8 MPa and weighs 720 kg.
Key highlights
- ✓Internal oil-separation system: the built-in oil-separation design secures the oil-air separation effect and lowers oil consumption.
- ✓Low-consumption high-efficiency motor: high starting torque; insulation class F and protection class IP23; a built-in oil-filling device allows oil to be added without stopping the machine.
- ✓High-efficiency intake control valve: ON/OFF control method, with a check-valve oil-injection design.
- ✓Human-machine interface control system: operation is simple and convenient and the running status is visible at a glance; the unit can work 24 hours unattended; when an abnormal condition appears a Chinese-language prompt indicates maintenance or repair; a spare output interface allows interlocking of several units and remote diagnostic control; economical and easy to maintain, suitable for small-power units.
Specifications
Request the current specification sheet for this model using the button above.
Other specifications
| Model | BK45-8G |
Tooling & air
| Discharge pressure | 0.8 MPa |
| Air delivery | 7.1 m³/min |
| Motor power | 45 kW |
| Discharge port | G1½ |
Dimensions & weight
| Weight | 720 kg |
| Overall dimensions (L x W x H) | 1480x1030x1340 mm |
Recommended packages
What this unit powers
Match a KSCY mobile air compressor to the hammer size and your hole plan — send us the hole diameter, depth and rock conditions and we confirm the exact pairing before quotation.
Pressure & flow matching rules
Match the DTH hammer class to your hole diameter (K3/K30C for 90-105 mm, K5/K50 for 135-165 mm, K8/K80 for 195-254 mm) — see the DTH hammer series page.
Need a complete drilling package? Request a rig + compressor + tooling quote →
Frequently asked questions
What applications suit the BK45-8G?
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What drilling equipment does the BK45-8G power?
This compressor supplies drilling air to DTH rigs and hammers — match the discharge pressure to the hammer rating and the air delivery to the hammer consumption plus 10-15% margin. Tell us your rig model and hammer size and we will confirm the pairing.
Can the equipment be configured to my project?
Send your project details through the inquiry form and we will confirm the available configuration for the selected model before quotation.