drilling equipment/4" High Air Pressure DTH Hammer Without Foot Valve for popular sale/Mining drilling parts
USD $500 - $1,000 /Set
Min.Order:1 Set
Hunan New Diamond Construction Machinery Co., Ltd.
4" High Air Pressure DTH Hammer Without Foot Valve for popular sale
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
Style | Length | Weight | External | Bit Shank | Hole Range | Connection |
ND45A | 1110mm | 43.20Kg | Φ99mm | Cop44/ | Φ110-Φ135 | API 2 "Reg |
NSD4A | 1012mm | 40.00Kg | Φ99mm | SD4 | Φ110-Φ135 | API 2 "Reg |
NM4A | 1005mm | 40.00Kg | Φ99mm | Mission40 | Φ110-Φ135 | API 2 "Reg |
NQL4A | 1070mm | 40.00Kg | Φ99mm | QL40 | Φ110-Φ135 | API 2 "Reg |