Specifications
3" dth hammer:1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life
3" inch ND35/Cop32/DHD30 DTH Hammer With Foot Valve Manufacturer :
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It has the following advantages:
- Valveless air distribution. More reliable.
- Simple design of the piston, long life.
- More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, longer 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.
Items | Length | Weight | External | Bit Shank | Hole Range | Connection | Working |
ND35 | 930mm | 25.00Kg | 82mm | DHD3.5 | 90-110 | API 2 3/8"Reg | 1.0-1.5Mpa |
down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer
down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit
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