Big Size DTH Hammer

Based on the characteristics of the wells, oil, gas and construction drilling, BD DRILL self-designed, developed and manufactured big size high air pressure DTH hammer. Our main products are SD12 Hammer with and without foot valve, DHD1120, HD1120A, NUMA125, HD330A, HD420A, HD525, etc. which can...

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Based on the characteristics of the wells, oil, gas and construction drilling, BD DRILL self-designed, developed and manufactured big size high air pressure DTH hammer.

 

Our main products are SD12 Hammer with and without foot valve, DHD1120, HD1120A, NUMA125, HD330A, HD420A, HD525, etc. which can meet all your requirement.

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It has the following advantages:

1. Adopt new rock drilling theory, optimizing the inside structure and the size of the air distribution, to make the DTH hammer obtain the optimal energy transfer and make it drill faster speed and lower air consumption.

2. For such projects as the drill bit break, retrieving difficultly, we specially designed a safe and reliable anti-shedding device for the bit.

3. The check valve can be replaced to the one with bigger air controlling hole to provide more efficient cuttings discharge.

4. The top sub and the drive chuck have special thread, which can be disassembled easily.

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