Product Details

Product Description

Atlas Copco DTH Hammer Used for Sale(NQL95A)

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.

NQL95A DTH Hammer Technical Data

Length (Less bit)	Weight (Less bit)	External diameter	Bit Shank	Hole Range		Connection Thread
1340mm	203.00kg	Φ203mm	QL80	Φ216-Φ254		API4 1/2”Reg
Working Pressure	Impact rate at 1.7Mpa	Recommended rotation speed		Air consumption
				1.0Mpa	1.8Mpa		2.4Mpa
1.0-2.5Mpa	22HZ	15-25r/min		16m³/min	28m³/min		39m³/min

Item Description

Weight (kg)

Part Number

1. Top Sub

2. “O” Ring of Top Sub

3. Breakout Ring

4. Check Valve

5. Spring

6. Air Distributor

7. Internal Cylinder

8. Piston

9. External Cylinder

10. Guided Sleeve

11. “o” Ring of Stop Ring

12. Stop Ring

13. Breakout Ring

14. Drive Chuck

15. Drill Bit

35.00

0.01

0.40

1.20

0.10

7.00

7.50

48.00

75.00

12.00

0.01

1.70

0.40

15.00

50.00

NQL95A01

NQL95A02

NQL95A03

NQL95A04

NQL95A05

NQL95A06

NQL95A07

NQL95A08

NQL95A09

NQL95A10

NQL95A11

NQL95A12

NQL95A13

NQL95A14

NQL95A15

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