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4inch High Air Pressure Down The Hole Drilling DTH Hammer For Stone Quarrying

4inch High Air Pressure Down The Hole Drilling DTH Hammer For Stone Quarrying

4inch High Air Pressure Down The Hole Drilling DTH Hammer for Stone Quarrying

4inch High Air Pressure Down The Hole Drilling DTH Hammer for Stone Quarrying


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.

Advantages:

- Advanced hammer designs with high power and air efficiency increases productivity

- Tailored product offering covers all your applications and conditions

- Easy service and maintenance designs reduces machine downtime

- Generic and proprietary shank options give you flexibility and reliability


Length  (no bit)Weight (no bit)External  diameterBit shankHole rangeConnection thread
1030mm40kgΦ99mmDHD340
   Cop44
Φ105-Φ130API 2 3/8" Reg
Working 
   pressure
Impact  rate at 
   1.7MPa
Recommended  
   rotation speed
Air consumption
1.0MPa1.8MPa2.4MPa
1.0-2.5MPa27Hz25-40r/min6m3/min10m3/min15m3/min

Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread
1084mm40.5kgΦ99mmSD4Φ105-Φ130API 2 3/8" Reg
Working 
   pressure
Impact  rate at 
   1.7MPa
Recommended  
   rotation speed
Air consumption
1.0MPa1.8MPa2.4MPa
1.0-2.5MPa27Hz25-40r/min6m3/min10m3/min15m3/min

Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread
1097mm41kgΦ99mmQL40Φ105-Φ130API 2 3/8" Reg
Working 
   pressure
Impact  rate at 
   1.7MPa
Recommended  
   rotation speed
Air consumption
1.0MPa1.8MPa2.4MPa
1.0-2.5MPa27Hz25-40r/min6m3/min10m3/min15m3/min

Length (no bit)Weight (no bit)External diameterBit shankHole rangeConnection thread
1005mm39.5kgΦ99mmMission40Φ105-Φ130API 2 3/8" Reg
Working 
   pressure
Impact  rate at 
   1.7MPa
Recommended  
   rotation speed
Air consumption
1.0MPa1.8MPa2.4MPa
1.0-2.5MPa30Hz25-40r/min5m3/min9m3/min14m3/min


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