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HQL8A DTH Hammer (QL80)

HQL8A DTH Hammer (QL80)
Price: Negotiable/Piece
Trade Terms: FOB,CFR,EXW
Min Order: 1/Piece
Pay Type: L/C,T/T
It is a kind of high air pressure DTH Hammer without footvalve, our newest design. It is also one of the most advanced DTH Hammers in the world.

It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.
Length(exclude bit) Weight(exclude bit) External Diameter Bit Shank Hole Range Connection Thread
1330 mm 171.00 kg  Φ180 mm   QL80 Φ195mm _ Φ254mm API 4 1/2'' 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 22 Hz 15-25 rpm 12 m³/min  22 m³/min 28 m³/min
Prod Model: QL80
Mining Object: Mining
Type: Drilling Machine
Founded on April 30, 1999, Changsha Heijingang Industrial Co., Ltd is a famous privately operated enterprise specialized in researching and manufacturing rock drilling equipment and pneumatic tools. The company has rich scientific research and production experience. She produces high quality rock drilling products by using high quality raw material, utilizing advanced craft technology and imposing strict quality inspection. The products made by HJG are being adopted by various users from all over China and exported to more than 50 countries including America, France, Australia, Canada, Brazil, South Africa, Malaysian, South Korea and other countries. All of our products are highly-reputed by our customers.
Changsha Heijingang is located in Changsha, Hunan, with land area of 54000 square meters and workshop space of 45000 square meters. Currently we have more than 600 employees and we are equipped with wide range of advanced equipment required for manufacturing rock drilling machine and pneumatic tools. We are professional designer and manufacturer for the following products: The most advanced high air pressure DTH hammer in China, various kinds of DTH bits, eccentric drilling equipment, symmetric drilling equipment, casing System, various kinds of threaded drilling bits, reverse circulation hammers and bits, shank adapters and coupling sleeves, new-style wells geothermal drilling rig, open-air blasthole drilling rig, all kinds of tool joints and drill pipes and spare parts for drill rig.

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  • Changsha Heijingang Industrial Co., Ltd.

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