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Name:DHD Hammer with Foot Valve
Model:DHD340
Length without bit:1030mm
Weight without bit:39kg
Out Diameter:Φ99mm
Bit Shank:COP44/DHD340
Hole Range:Φ110-135mm
Connection Thread:API 2⅜“Reg
Working Pressure:12-20Bar
Impact Rate at 17Bar:27HZ
Recommended rotation speed:25-40r/min
Air consumption at 10Bar:6m³/min
Air consumption at 18Bar:10m³/min
Air consumption at 24Bar:15m³/min

Products Description

Feature:

1.Valveless air distribution. More reliable.

 2.Simple design of the piston, long life.

 3.More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.

 4.Fewer internal parts,  simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.

 5.Easy to disassemble because the tap sub, the drive chuck and the external cylinder are connected by multi-step thread.

DHD HAMMER

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