3 - 12 inch Down The Hole Hammers for Mining Drilling Tool High Impact Frequency

3 - 12 inch API REG Thread DTH Hammer for Mining Drilling Tool High Impact Frequency

High air pressure DTH hammer without foot valve 3-12inch

Introduction

High air pressure DTH hammer without foot valve, our newest design. It is also one of the most advanced DTH Hammer in the world.

It has the fellow advantages

1:Out of the trouble of foot valve fracture and expansion and contraction.

2. Simple design of the piston, long life.

3. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.

4. Simple structure, reliable parts, long life, easy and cheap maintenance.

5. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.

Hammer shank available:
1. BR shank series: BR1, BR2, BR3;
2. Cop shank series: Cop32, Cop34, Cop44, Cop54, Cop64, Cop84;
3. DHD shank series: DHD3.5, DHD340,DHD350, DHD360, DHD380;
4. SD shank series: SD4, SD5, SD6, SD8, SD10, SD12, SD15, SD18;
5. Mission shank series: Mission40, Mission50, Mission 60, Mission 80;
6. QL shank series: QL30, QL40, QL50, QL60, QL80;
7. NUMA shank series: NUMA120, NUMA125, NUMA180, NUMA240;
Other hammer shanks can be available according to customer's drawing or samples.

Technical Parameters of High air pressure DTH hammer without foot valve

Specification