Subsurface Drill Impactor For Mining And Water Well Drilling,Subsurface Drill Impactor For Mining And Water Well Drilling price,Subsurface Drill Impactor For Mining And Water Well Drilling Manufacturer-Shandong China Coal Industry & Mining Group'

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 Details Of Subsurface Drill Impactor For Mining And Water Well Drilling

High air pressure DTH hammer:

1.High air pressure DTH hammer size from 3" to 12"(76mm-304mm)

2.Shank types including COP, QL,DHD, MISSION,HD,IR, SD,TD, etc.

3.Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.

Low Air Pressure DTH hammers:

1.CIR series Low air pressure DTH hammer includes: CIR55, CIR65, CIR70, CIR80, CIR 90, CIR110, CIR110W, CIR150, CIR170, CIR200W etc.

2.J series Low air pressure DTH hammer includes: J60C, J70C, J80B, J100B, J150B, J170B, J200B

R.C.(Reverse Circulation) hammmers

1.R.C. hammers includes:RC45,RC55,RC65,PR52 etc.

DTH Hammer Advatages
1. Fast drilling speed and low air consumption due to the special inner structure.
2. Smooth performance and long service due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe

Low Air Pressure DTH Hammer Technical Data

DTH hammer type	China Coal	China Coal	China Coal	China Coal	China Coal
Bit Shank:	China Coal	China Coal	China Coal	China Coal	China Coal
Top Sub Thread:	F48x10PIN	F48x10PIN	API 23/8" RGE BOX	API 23/8" RGE BOX	F70x10PIN
Bit Diameter:	76(mm)	90-120(mm)	110-150(mm)	130-175(mm)	150-200(mm)
Working Pressure:	4-10(bar)	5-10(bar)	5-10(bar)	5-10(bar)	5-10(bar)

High Air Pressure DTH Hammer (with foot valve) Technical Data

DTH hammer type	Bit shank	Hole range(mm)	Connection thread	Working pressure
DHD35	DHD3.5	Φ90-110	API 2 3/8” Reg	1.0-1.5Mpa
DHD340	COP44 DHD340	Φ110-135	API 2 3/8"Reg	1.0-2.5Mpa
DHD340			API 3 1/2"Reg
DHD350	COP54 DHD350R	Φ135-155	API 2 3/8"Reg	1.0-2.5Mpa
DHD360	COP64 DHD360	Φ155-190	API 3 1/2"Reg	1.0-2.5Mpa
DHD380	COP84 DHD380	Φ195-254	API 4 1/2"Reg	1.0-2.5Mpa
DHD1120	DHD1120	Φ305-445	API 6 5/8"Reg	1.0-2.5Mpa