Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China

Product Details
Customization: Available
After-sales Service: Provided
Warranty: 3 Months
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  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
  • Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
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Basic Info.

Model NO.
DHD55A
Certification
ISO 9001:2000
Standard
API
Manufacturing Process
Forging
Material
Carbon Steel
Transport Package
Carton
Specification
130X18X23 cm
Trademark
D Miningwell
Origin
Zhejiang, China
Production Capacity
5000PCS Per Month

Product Description

DTH Air Hammer gives you more power down the hole, making your investment produce more in less time. 
The D Miningwell DHD high pressure DTH hammer is used in many different applications which include but are not limited to heavy construction, mining, oil and gas, quarries, and water-well.
This high air pressure DTH hammer work without footvalve is designed and developed by our own, which is the one of the most advanced DTH hammer in the world.
It has following advantages
1.Avoid the problem happens on foot valve. Fracture,expansion and contraction.
2.Lower air comsumption and higher impact frequency. 15-30% higher drilling efficiency than the bit with foot valve.
3.Simpler structure and less spare parts, makes easier & cheaper maintenance.
4.Heat-hardened spare parts,makes longer serving life and less problem.
5.Thread connection for top sub and drive chuck,makes easier disassembly.

 
Model DHD340 DHD350 DHD360 DHD380
Length(Lessbit) 1032 mm 1209 mm 1063 mm 1492 mm
Weight (Lessbit) 43kg 78.5kg 100.5kg 190 kg
External diameter 99mm 125mm 142mm 180mm
Hole Range φ110-135 mm φ135-155 mm φ150-190 mm φ195-254 mm
Connection Thread API2 3/8"REG API2 3/8"REG API3 1/2"REG API4 1/2"REG
WorkingPressure 1.0-2.2MPa 1.0-2.5MPa 1.0-2.5MPa 1.5-3.3MPa
Recommended rotation speed 30-60 r/min 30-60 r/min 30-60 r/min 30-60 r/min
Air consumption 5.5m³/min (1.0MPa) 9m³/min (1.0MPa) 20m³/min (1.0MPa) 26m³/min (1.8MPa)
10m³/min (1.8MPa) 15m³/min (1.8MPa) 28m³/min (1.8MPa) 34m³/min (2.4MPa)
         
Parts Weight (kg)
Top sub 8.8 14.7 20.3 42
"O" Ring 0.01 0.02 0.02 0.02
Check Valve 0.46 1 0.8 1.3
Spring 0.04 0.06 0.05 0.09
Rubber Buffer 0.2 0.06 0.3 0.4
Valve Seat 2.1 4.2 5 13
Inner Cylinder 2.45 4.9 4 9.1
Piston 9 15.5 23.5 41.5
Piston Case 159 30.3 37.2 62.5
Retainer Ring 0.2 0.3 0.6 1.2
Drive Chuckk 3.7 7.1 6 18.2
Adjuster Ring / 0.1 / 0.2
Ring Lock / 0.2 / /
adjuster Shim / / / 0.2
Guided Sleeve / / 2.5 /

Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China
Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China





Miningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale ChinaMiningwell DHD55A 5 Inch High Air Pressure Rock Drilling Mining Bit DTH Hammer DTH Hammer Sale China

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