- Product Details
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Quick Details
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External diameter:
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99mm
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Process:
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Forging+Machining+surface Treatment
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Connection Thread:
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API 2 3/8" Reg
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Hole range:
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110-135 mm
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Weight:
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43g
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Working Pressure:
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1.0-2.2Mpa
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Impact rate at 1.5Mpa:
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27HZ
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Recommened rotation speed:
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30-60r/min
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Color:
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Green or customized
Quick Details
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Weight (KG):
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48
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Place of Origin:
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Hunan, China
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Brand Name:
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CS Drill
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External diameter:
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99mm
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Process:
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Forging+Machining+surface Treatment
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Connection Thread:
-
API 2 3/8" Reg
-
Hole range:
-
110-135 mm
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Weight:
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43g
-
Working Pressure:
-
1.0-2.2Mpa
-
Impact rate at 1.5Mpa:
-
27HZ
-
Recommened rotation speed:
-
30-60r/min
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Color:
-
Green or customized
Product Description
DHD340 4" High Air Pressure Dth Hammer down the hole hammer For Water Drilling Machine
The Characteristics Of HighAir 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.
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Parameters of DHD340 Hammer
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Length
(without bit)
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Weight (without bit)
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Outer
Diameter
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Bit Shank
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Hole range
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Connection Thread
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1032mm
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43kg
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φ99mm
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DHD340
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φ110-φ135mm
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API2 3/8'' REG
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working pressure
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Impact rate at 1.5 Mpa
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Air consumption
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1.0 Mpa
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1.8Mpa
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0.7Mpa
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1.0-2.2Mpa
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27 Hz
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30-60 r/min
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5.5 m³/min
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10m³/min
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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.
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.
Contact us
Application
Related Products
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
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Patent Certificate
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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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