Medium Air Pressure DTH Hammer

Length: 760-889mm

External Diameter: 54-82mm

Hole Range: 64-110mm

Working Pressure: 0.7-1.75Mpa

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overview

Features

1. The applicable working pressure is 0.7-1.75Mpa.

2. It is valveless medium air pressure DTH hammer.

3. Compact structure, easy disassembly, and long service life.

4. High impact power, fast drilling speed.

5. Low air and energy consumption, the check valve can be drilled when the slag discharge needs to be increased,

Application

It is applicable for drilling the medium hard and high hard tough rock with poor drillability. It is widely used for drilling blasting holes, landslide protection, dam site reinforcement, anchoring and other engineering holes in mines, quarries, road construction, etc.

Technical Data

Length (bit excluded)	Weight (bit excluded)	External diameter	Hole Range	Working pressure	Impact Frequency	Recommended rotation speed	Air Consumption
760mm	10kg	54mm	64-76mm	0.7-1.75Mpa	27HZ(1.4Mpa)	25-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							1.5m3/min	2.5m3/min	3m3/min
880mm	14.5kg	62mm	70-90mm	0.7-1.75Mpa	25HZ(1.4Mpa)	25-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							2.5m3/min	4m3/min	5m3/min
889mm	26kg	82mm	90-110mm	0.7-1.75Mpa	25HZ(1.4Mpa)	20-40r/min	0.7Mpa	1.0Mpa	1.4Mpa
							4m3/min	6m3/min	8m3/min