Hjg Hsd12 DTH Hammer

China Hjg Hsd12 DTH Hammer, Find details about China Dth Hammer, Rock Drilling from Hjg Hsd12 DTH Hammer

Model NO.
SD12
HS Code
84123100
Model NO.
SD12
HS Code
84123100
It is a kind of valveless high air pressure DTH Hammer with foot valve.

It has the following advantages:
1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Hjg Hsd12 DTH Hammer
Hjg Hsd12 DTH Hammer
Hjg Hsd12 DTH Hammer
Hjg Hsd12 DTH Hammer
Hjg Hsd12 DTH HammerHjg Hsd12 DTH Hammer
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1880 mm487.00 kg Φ275 mm  SD12Φ305mm _ Φ445mm API 6 5/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa 2.4 MPa
1.0 - 2.5 MPa16 Hz15-25 rpm30 m³/min 56 m³/min78 m³/min