HBR1,HBR2,HBR3 down the hole DTH hammer manufacture in china

Brief info:HBR1,HBR2,HBR3 down the hole DTH hammer manufacture in china, US $ 1,000 - 3,000 / Piece, Hunan, China, SOLLROC, DTH hammers.Source from Changsha Sollroc Engineering Equipments Co., Ltd. on Alibaba.com.

Features

Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

HBR1&HBR2&HBR3 DTH hammer

shank	BR1	BR2	BR3
Length(less bit)	760mm	880mm	889mm
External diameter	54mm	62mm	82mm
Top sub thread	RD40 BOX	RD50 BOX	API 23/8”REG
Weight(less bit)	10kg	14.5kg	26kg
Hole range	64mm-76mm	70mm-90mm	90mm-110mm
Working pressure	0.7-1.75Mpa	0.7-1.75Mpa	0.7-1.75Mpa
Impact rate at 1.4Mpa	27Hz	27Hz	25Hz
Recommended rotation speed	25-40r/min	25-40r/min	25-40r/min
0.7Mpa	1.5m³/min	2.5m³/min	4m³/min
Air consumption 1.0Mpa	2.5m³/min	4m³/min	6m³/min
1.4Mpa	3.0m³/min	5m³/min	8m³/min

HBR1,HBR2,HBR3 down the hole DTH hammer manufacture in china

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