Hjg Hsd10 DTH Hammer SD10

• Customization: Available
• Mining Object: Mining
• Trademark: HJG
• Model NO.: SD10
• Origin: China
• HS Code: 84123100

Product Description

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

It has the following advantages:
1. Valveless air distribution. More reliable.
2. Simple design of the piston, 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 because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Length(exclude bit)	Weight(exclude bit)	External Diameter	Bit Shank	Hole Range	Connection Thread
1502 mm	290.00 kg	Φ226 mm	SD10	Φ254mm _ Φ311mm	API 4 1/2'' Reg API 6 5/8'' Reg
Working Pressure	Impact rate at 0.5 MPa	Recommended Rotary Speed		Air Consumption
				1.0 MPa	1.8 MPa	2.4 MPa
1.0 - 2.5 MPa	18 Hz	15-25 rpm		22 m³/min	40 m³/min	55 m³/min