M50 2 3/8'' API REG Pin Hammer Without Foot Valve For Hard Ground Drilling
M50 2 3/8'' API REG Pin Hammer without Foot Valve for Hard Ground Drilling
Product description
DTH hammer is a percussion system driving a piston inside hammer body with up and donw motion by compressed air and transmitting an intensive percussion energy to the bit to enable the drilling by crushing the rock. Drilling method by DTH hammer exerts high drilling performance especially for drilling hard rock and contributes for shortening work schedule. Hence, this method is widely utilized for foundation work, landslide prevention work, quarrying services, marine civil work, etc.
Product Advantages:
1. Its ultra high performance features,
2. Hammer connect with drill bits no longer require Foot Valves.
3. The elimination of foot valve associated with the drill bit offers various technical and economical advantages.
DTH Hammer specification:
| shank | M50 |
| Length(less bit) | 1106mm(43.54n) |
| External diameter | 125mm(4.92in) |
| Top sub thread | API 2 3/8”REG API 3 1/2'' REG |
| Weight(less bit) | 65.7kg(144.84lbs) |
| Hole range | 135mm-152mm |
| Working pressure | 1.0-2. 5Mpa(145-362.5psi) |
| Impact rate at 1.7Mpa | 29Hz |
| Recommended rotation speed | 30-60rpm |
Face shape Features
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