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SGS Down The Hole Hammer High Air Pressure Low Oil Consumption Water Well Drilling

SGS Certified High Air Pressure Low Oil Consumption Water Well Drilling DTH Hammer

High Air Pressure DTH Hammer (with foot valve)

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

Dth Hammer Advantages:

1.Valveless air distribution, more reliable;

2.Piston with simple but compact design, long life;

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

4.Fewer internal parts, simple structure, longer life, less failure and easier to maintain, with the all heat treated parts;

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

Product name	DTH Hammer
Material	Alloy Steel&Tungsten Carbide
Use	Underground Mining,Water well,Mining,Quarry etc.
Color	Green&Others
Heat treatment	Anneal
Shank series	DHD,COP,MISSION, SD, DHD, BR, QL, BR,CIR etc.
Application	heavy construction,Ore Drilling, mining, oil and gas, quarries
Hole	60-305mm
Size	2/3/4/5/6/7/8/9/10/12/14 inches
Advantage	High Performance and factory price

DTH HAMMER Applications
1. Underground mining
2. Quarry benching operations
3. Water well drilling

3" High Air Pressure DTH Hammer Without Foot Valve

Description	Weight(kg)
1.Top sub	4.20
2. O-ring Of Top Sub	0.01
3.Breakout Ring	0.01
4.Check Valve	0.20
5. Spring	0.02
6. Compression Buffer	0.04
7. Air Distributor	1.40
8. Internal cylinder	1.60
9. Piston	5.40
10. External Cylinder	9.50
11. Guide sleeve
12. O-ring Of Stop Ring	0.01
13. Stop Ring	0.20
14. Breakout Ring	0.01
15. Drive Chuck	1.95
16. Drill Bit	5.00

Technical Data

Length (Without Bit)	930mm
Weight (Without Bit)	25.00kg
External Diameter	φ82mm
Bit Shank	DHD3.5
Hole Range	φ92 - φ110mm
Connection Thread	API 2 3/8 '' Reg
Working Pressure	1.0 - 1.5 Mpa
Impact Rate at 17 Bar	28HZ
Recommended Rotation Speed	25 - 40 r/min
Air Consumption	1.0Mpa: 4.5 m³/ min
Air Consumption	1.5Mpa: 9 m³/ min

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Categories	DTH Hammers
Brand Name:	MIROC
Model Number:	Dth Hammer
Certification:	SGS certified, ISO
Place of Origin:	China
MOQ:	1pcs
Price:	negotiation
Payment Terms:	T/T, L/C, D/A, D/P, Western Union
Supply Ability:	20000pcs per month
Delivery Time:	15-20days
Packaging Details:	wooden box
Type:	Dth Hammer
Application::	Water well drilling, Quarry drilling, Construction Rock Drilling
Bit Shank type::	COP MISSION DHD QL SD
Hammer type:	COP MISSION DHD QL SD High Air Pressure
Bit diameter:	φ90 - φ445mm
Drilling method:	DTH Drilling