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high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock
high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock

high air pressure dth hammer and bit for water well drilling rig DHD 350 135mm-155mm drilling hammer for drilling rock

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≥1 Pieces
US $690
≥10 Pieces
US $685
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Quick Details

Weight:
78.5 KG
Marketing Type:
Other
Core Components:
Top sub, External Cylinder, Drive Chuck
Drilling Diameter:
140mm, 146mm, 152mm, 165mm, 178mm
Name:
High Air Pressure Dth Hammers Without Foot Valve
External Diameter:
125mm
Length without bit:
1209mm
Recommended Rotation Speed:
30-60r/min
Working Pressure:
1.0-2.5 Mpa
Bit Shank:
DHD350
Achine Type:
Drilling Tool
Material:
Alloy Steel
Application:
Water Well Drilling Rock Drilling Mining Quarry Or Water Well Drilling
Local Service Location:
China

Quick Details

Place of Origin:
Hunan, China
Brand Name:
Csdrill
Dimension(L*W*H):
1209mm
Weight:
78.5 KG
Marketing Type:
Other
Core Components:
Top sub, External Cylinder, Drive Chuck
Drilling Diameter:
140mm, 146mm, 152mm, 165mm, 178mm
Name:
High Air Pressure Dth Hammers Without Foot Valve
External Diameter:
125mm
Length without bit:
1209mm
Recommended Rotation Speed:
30-60r/min
Working Pressure:
1.0-2.5 Mpa
Bit Shank:
DHD350
Achine Type:
Drilling Tool
Material:
Alloy Steel
Application:
Water Well Drilling Rock Drilling Mining Quarry Or Water Well Drilling
Local Service Location:
China
DTH Drilling Hammer DHD350/QL50/Mission50 Without foot valve For Mining
Product Description
The Characteristics Of High Air Pressure DTH Hammers Without foot valve:
It is a kind of high air pressure DTH Hammer without foot valve, our newest design. It is also one of the most advanced DTH Hammers in the world.

Length
(without bit)
Weight  (without bit)
External Diameter

Bit Shank

Hole range

Connection Thread
1209mm
78.5KG
φ125mm
DHD350/QL50
φ135-φ155
API 2 3/8" Reg
API 3 1/2" Reg
Working Pressure
Impact rate at 1.5Mpa

Recommended rotation speed
Air consumption
1.0Mpa
1.8Mpa
2.2Mpa
1.0-2.5Mpa
28HZ
30-60r/min
9m³/min
15m³/min
18m³/min
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.
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Packing & Delivery
Using ply-wooden cases and pallet for package to protect the products and avoid the damaging during transportation. Also we can customize package according to your special requests.
Certificate
  • Patent Certificate

  • Quality  Certificate

Certificate of conformity
Company Introduction
Changsha DTH Drill Construction Machinery Co., Ltd has more than 20 years of drilling tools industry since 1996. Its predecessor was the designated processing workplace of down-the-hole drilling tools of Changsha Institute of Mining Research. It is the Institute of Metal Research of the Chinese Academy of Sciences, the National Institute of Materials Research (NIMS) of Japan, and the partner of University of Queensland, Australia, the Swiss Federal Institute of Technology (EMPA).
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+86-17326049340