Features
Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Advantage
It has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain.
Parts | Weight /kg | Parts | Weight /kg | |||
1 | Top Sub | 60 kg | 9 | Retainer Ring | 2.2 kg | |
2 | "O"Ring | 0.03 kg | 10 | "O"Ring | 0.02 kg | |
3 | Check Valve | 1.5 kg | 11 | Drive Chuck | 27 kg | |
4 | Spring | 0.2 kg | 12 | |||
5 | Valve Seat | 12.8 kg | ||||
6 | Inner Cylinder | 13.5 kg | ||||
7 | Piston | 71 kg | ||||
8 | Piston Case | 94.5 kg | ||||
Technical parameters | ||||||
Length(Less bit) | Weight | Outer diameter | Connection Thread | Bit Shank | Hole Range | |
1432mm | 283 Kg | 225 mm | API5 1/2"REG | NUMA100 | 254-311 mm | |
Working Pressure | Recommended Rotation Speed | Air Consumption | ||||
1.8 Mpa | 2.4 Mpa | |||||
1.5-3.3 Mpa | 25-50 r/min | 40 m³/min | 60 m³/min | |||
Company
JS DRILL is a comprehensive company that integrates the design, manufacture, marketing and technical services of rock drilling tools. The products due to stable quality, excellent performance are being sold well all over China and exported to Europe, America, Middle East, Australia,Africa, Southeast Asia and other regions, more than 50 countries.
Packing
Exhibition
FAQ
1 How can we guarantee quality?
Always a pre-production sample before mass production;always final inspection is done before shipment；and our main unit has a one-year warranty, during which all damaged accessories can be replaced with new ones. We provide machine installation and operation videos.
2 Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in ShanDong,China.
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