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[China]
Trade Verify
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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DHD3.5 DHD340 DHD350 DHD360 Low Pressure Down The Hole DTH Hammers
For Water Well Drilling
Description
In DTH hammers, the rock drilling bit is a continuation of the
shank, which the rock drill piston strikes directly. Since the
piston is in direct contact with the drill bit, little energy is
lost. This gives DTH hammers a nearly constant penetration rate
regardless of hole length.
• Small to medium size drilling diameters
• Works in low pressure range, capable of drilling shallow to
medium hole lengths
Color: Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: Low Pressure DTH Hammer
Specification
| Technical Data | |||||
| Length(Without Bit) | 930mm | 1030mm | 1214mm | 1160mm | 1248mm |
| Weight(Without Bit) | 25.00 kg | 39.00 kg | 76.50 kg | 72.50 kg | 100.00 kg |
| External Diameter | 82mm | 99mm | 126mm | 126mm | 142/144/146/148mm |
| Bit Shank | DHD3.5 | COP44/DHD340 | COP54/DHD350R | ND55C/DHD350Q | COP64/DHD360 |
| Hole Range | 90-110 mm | 110-135 mm | 135-155 mm | 135-155 mm | 155-190 mm |
| Connect ion Thread | API 2 3/8”Reg | API 2 3/8”Reg | API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg | API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg | API 3 1/2”Reg
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| Working Pressure | 1.0- 1.5 Mpa | 1.2-2.0 Mpa | 1.3-2.3Mpa | 1.3-2.3 Mpa | 1.5-2.5 Mpa |
| Inpact Rate at 17 Bar | 28HZ | 27HZ | 25HZ | 25HZ | 23HZ |
| Reccfurended Rotation Speed | 25-40 "min | 25-40 r/min | 20-35 r/min | 20-35 r/min | 20-30 r/min |
| Air Consunption | 1.0Mpa :4.5 m3/min | 1.0Mpa :6m3/min | 1.0Mpa:9 m3/min | 1.0Mpa:9m3/min | 1.0Mpa :10 m3/min |
| 1.5Mpa:9.0m3/min | 1.8Mpa:10m3/min | 1.8Mpa:15m3/min | 1.8Mpa:15m3/min | 1.8Mpa:20m3/min | |
| 2.4Mpa:15m3/min | 2.4Mpa:23m3/min | 2.4Mpa:23m3/min | 2.4Mpa:28.5m3/mi | ||
Applications
• Underground mining
• Quarry benching operations
• Water well drilling
Competitive Advantage
• Main hammer components manufactured from high grade steel
and processed using state-of-the-art CNC machinery and heat
treatment
