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

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

Name: DHD340 COP44 Series 4 Rock Boring Tool Dth Hammers And Bits
Brand: MIROC
Price: 1 USD

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

Brand Name : MIROC

Model Number : DTH Hammer

Certification : API

Place of Origin : China

MOQ : 1 Pieces

Supply Ability : 20000 pieces per month

Delivery Time : 25 days

Packaging Details : Carton Box or Wooden Box

Price : Negotiation

Payment Terms : L/C, T/T

Name : DTH Hammer

Series : DHD340 COP44

Size : 4''

Type : With Foot Valve, No Foot Valve

Use : Tunneling, Mining,Quarrying,Water Well

Color : Green,Black ,Orange ,Blue,Golden

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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

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

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

Product Tags:

down the hole drilling tools

down the hole hammer

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

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