Gold Member Since 2013
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Changsha Heijingang Industrial Co., Ltd.

Dth Hammer, Rock Drilling, Down The Hole Hammer manufacturer / supplier in China, offering Hjg Hql5 DTH Hammer Ql50, Hjg Wells Geothermal Drilling Rig, Hjg Reverse Circulation Drill Bit and so on.

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Hjg Hql5 DTH Hammer Ql50

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: QL50
  • Trademark: HJG
  • HS Code: 84123100
  • Mining Object: Mining
  • Origin: China
Product Description
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 Hql5 DTH Hammer Ql50
Hjg Hql5 DTH Hammer Ql50
Hjg Hql5 DTH Hammer Ql50
Hjg Hql5 DTH Hammer Ql50
Hjg Hql5 DTH Hammer Ql50Hjg Hql5 DTH Hammer Ql50
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1156 mm73.00 kg Φ125 mm  QL50Φ135mm _ Φ155mm API 3 1/2'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa 2.4 MPa
1.0 - 2.5 MPa25 Hz20-35 rpm9 m³/min 15 m³/min23 m³/min 
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Mr. Larry Wu
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