Product Details

Product Description

Faster Drilling Speed and Most Advanced Air DTH Hammer:

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide

It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world

It has the following advantages:

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

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

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

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

ND45S DTH Hammer Technical Data

ND45S DTH Hammer Technical Data:

Length (Less bit)	Weight (Less bit)	External diameter	Bit Shank	Hole Range		Connection Thread
986mm	37.00kg	Φ92mm	Cop44 DHD340	Φ105-Φ120		API2 3/8”Reg
Working Pressure	Impact rate at 1.5Mpa	Recommended rotation speed		Air consumption
				1.0Mpa	1.8Mpa		2.4Mpa
1.0-2.5Mpa	30HZ	22-40r/min		5m³/min	8m³/min		13m³/min

Item Description

Weight (kg)

Part Number

1. Top Sub

2. “O” Ring of Top Sub

3. Check Valve

4. Spring

5. Air Distributor

6. Internal Cylinder

7. Piston

8. External Cylinder

9. Guided Sleeve

10. “o” Ring of Stop Ring

11. Stop Ring

12. Drive Chuck

13. Drill Bit

6.00

0.01

0.30

0.05

1.30

1.90

7.80

14.60

1.20

0.005

0.20

3.40

8.50

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