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Xuanhua Jinke Drilling Machinery Co., Ltd.  

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  • Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40
  • Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40
Enlarge Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40

Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: COP44 , DHD340 , QL 40 , MI...

 Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40
 


 Shank Down The Hole Air Pressure Hammer for Hard Rock Drilling 4'' COP44 / DHD 340 / QL 40

 

Introduction

It is a kind of valveless high air pressure DTH hammer with foot valve.

The rock hammer has the fellow advantages

1: Valveless air distribution. more reliable.

2. The rock impacter are simple design of the piston, long life.

3. More efficient energy transfter,faster drilling speed, lower air consumption and lower oil consumption.

4. Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.

5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected multi-step thread.

 

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 with foot valve

Specification

  Item Description  Weight Parts No.
1.Top Sub 6.5 HD4501
2.O-Ring of Top Sub 0.01 HD4502
3.Check Valve 0.42 HD4503
4.Spring 0.04 HD4504
5.Compression Buffer        0.04 HD4505
6.Air Distributor 2.2 HD4506
7.Internal Cylinder 2.3 HD4507
8.Piston 9 HD4508
9.External Cylinder 15 HD4509
10.O-Ring of stop ring 0.01 HD4510
11.Stop Ring 0.2 HD4511
12.Drive Chuck 3.5 HD4512
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 Mr. Mr. Jack Cheng

Tel: 86-10-84673566
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Company Info

Xuanhua Jinke Drilling Machinery Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Beijing
Province/State: Beijing
Country/Region: China (Mainland)

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