WebHigh Air Pressure DTH Hammer without foot valve: Out of the trouble of foot valve fracture and expansion and contraction. Lower energy consumption and higher impact...
WebThe hammer does not use a foot valve, which prevents inconvenient and costly breakdowns. It is designed for less airflow loss, to provide better efficiency and lower energy costs. It starts up...
WebDHD3.5 High air pressure DTH hammer without foot valve External diameter: 82 Weight (kg): 23.8 length (mm): 878 air consumption: 3.8-7.5 work pressure:1.0-1.5mpa connection: API 2 3/8”REG...
Web3.5' High Air Pressure DTH Bits; 4' High Air Pressure DTH Bits; 5' High Air Pressure DTH Bits; 6' High Air Pressure DTH Bits; 8' High Air Pressure DTH Bits; 10' High Air...
WebD. Foot valve design helps decrease the risk of losing air pressure when drilling depth of above 100 meters. E. Heating treatment technology prevents the well bit from being...
WebHammer O.D : Φ 99mm Bit Shank: Cop44, DHD340 Hole DIA: Φ 110 - Φ135 (mm) API 2-3/8" Working Pressure 1.0-2.5Mpa Impact Rate At 1.7Mpa: 30Hz Recommended...











