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Name:QL Hammer without foot valve
Model:QL60
Length without bit:1183mm
Weight without bit:90kg
Bit Shank:QL60
Hole Range:Φ155-203mm
Connection Thread:API 3 ½ “Reg
Working Pressure:15-25Bar
Impact Rate at 17Bar:25HZ
Recommended rotation speed:20-30r/min
Air consumption at 10Bar:9m³/min
Air consumption at 18Bar:18m³/min
Air consumption at 24Bar:26m³/min

Products Description

Features:

1.Out of the trouble of foot valve fracture and expansion and contraction.

2.Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.

3.Simple structure, reliable parts, long life span, easy and cheap maintenance.

4.Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.

DTH HAMMER QL

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