ND/QL Series DTH Hammer with foot valve
The main features are as following:
Valveless air distribution.More reliable.
Simple design of the piston.long life span.
More effcient energy transfer,faster drilling speed,lower airconsumption and lower oil consumption.
Fewer internal parts,simple structure,long life span,less failureand easier to maintain because all the parts are heat trated.
Easy to disassemble because the top sub,the drive chuck andthe external cylinder are connected by multiple steps thread.

MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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