DHD340 COP44 Series 4'' Rock Boring Tool Dth Hammers And Bits

Brand Name:MIROC
Certification:API
Model Number:DTH Hammer
Minimum Order Quantity:1 Pieces
Delivery Time:25 days
Payment Terms:L/C, T/T
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details


DHD340 COP44 Series 4'' Rock Boring Tool Dth Hammers And Bits

Basic Information

Items

Replacement Parts

1

Top sub

2

O-ring of top sub

3

Breakout Ring

4

Check Valve

5

Spring

6

Compression Buffer

7

Air Distributor

8

Internal cylinder

9

Piston

10

External cylinder

11

Guide sleeve

12

O-ring of stop ring

13

Stop ring

14

Breakout ring

15

Drive chunk

16

Drill bit


QL40 Hammer Specification

Drilling Diameter(mm)

Hammer Length(mm)

External Diameter(mm)

Weight(kg)

φ110-φ135

1097(without bit)

99

41(without bit)

Working Pressure(Mpa)

Air Consumption(m³/min)

1.2-2.0

1.0Mpa: 6m³/min

1.8Mpa: 10m³/min

2.4Mpa: 15m³/min

Impact rate at 17 bar

Connection Rod Thread

Recommended Rotation Speed

Bit Shank

27HZ

API 2-3/8'' Reg

25-40 r/min.

QL40


DHD340 Hammer Specification

Drilling Diameter(mm)

Hammer Length(mm)

External Diameter(mm)

Weight(kg)

φ108-φ130

881(without bit)

φ99

38

Working Pressure(bar)

Air Consumption(m³/min)

8.0-30.0

10bar: 5

18bar: 10.2

24bar: 15

Connection Rod Thread

Bit Shank

API 2-3/8” Reg

DHD340A( With Foot Valve)


Competitive Advantage
• Valveless air distribution, more reliable.
• Simple design of the piston. Long life span.
• More efficient energy transfer, faster drilling speed, low air consumption and lower oil consumption.
• Fewer internal parts, simple structure, less failure and easier to maintain.
• Easy to disassembled because the top sub, the drive chuck and the external cylinder are connected by multiple steps thread.


Photos


China DHD340 COP44 Series 4'' Rock Boring Tool Dth Hammers And Bits supplier

DHD340 COP44 Series 4'' Rock Boring Tool Dth Hammers And Bits

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