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4" DTH Hammer

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  • The product descript

QD45A DTH HAMMER

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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

 

 

6.5

 

0.01

 

0.35

 

0.05

 

1.50

 

2.10

 

8.50

 

15.20

 

1.30

 

0.01

 

0.30

 

3.0

 

 9.00

 

HD45A01

 

HD45A02

 

HD45A03

 

HD45A04

 

HD45A05

 

HD45A06

 

HD45A07

 

HD45A08

 

HD45A09

 

HD45A010

 

HD45A011

 

HD45A012

 

HD45A013

 

According to you request, the top sub can be made into two spanners, and put protection buttons.An air controlling hole can be drilled on the check valve to prpvide more efficient cuttings discharge

Technical Data

Length(Less bit)

Weight(Less bit)

External diameter

Bit Shank

Hole Range

Connection Thread

1011mm

43.20Kg

undefinedoslash;99mm

Cop44

DHD340

undefinedOslash;110- undefinedoslash;135

API 2Reg

Working Pressure

Impactrate 1.7Mpa

Recommended

Rotation speed

Air consumption

1.0Mpa

1.8 Mpa

2.4 Mpa

1.0-2.5 Mpa

30HZ

22-35r/min

1.0 Mpa

1.8 Mpa

2.4 Mpa

linkman:Mr. Yang     Telephone:0086-594-2956555   Phone number:+8613375052021


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