Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

pneumatic roof bolter

pneumatic roof bolter
Product Detailed

light weight
easy to operate and maintain,
with low noise level in coal mining
Rated torque: 70N.m


Our MQT series of pneumatic roof bolters always take a leading postion in roof supporting industry in China, especially in the follow aspects:

1. higher output power

2. high rotary speed

3. easy to operation and maintenance

4. special silencer bringing you good working condiction


Main parameters:

Suitable pressure: 0.4-0.63 MPa

Rated pressure: 0.5 MPa

Rated torque: ≥ 70N.m

Rated rotary speed: 240 r/min

Leg propulsion //: 7.7/5.9/4.4 KN

Idle pushing speed: 400 mm/s

Max. output power: 1.8 Kw

Idle rotary speed: 900 r/min

Stall torque: ≥160 N.m

Max. loading torque: 150 N.m

Air consumption: 2.8 m3/min

Noise level: ≤90 db

Leg type:

Weight: 44/46/48 Kg

Max. height: 2546/3026/3594 mm

Min. height: 1169/1289/1431 mm

Flush water working pressure: 0.6-4.5 MPa

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