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3.5'' Martillo Shank DHD3.5 Dth Hammer Without Foot Valve

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Changsha Sollroc Engineering Equipments Co., Ltd

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3.5'' Martillo Shank DHD3.5 Dth Hammer Without Foot Valve

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Brand Name :	SOLLROC
Model Number :	DHD3.5
Certification :	SGS
Price :	500
Payment Terms :	T/T,
Supply Ability :	10000pcs/month
Delivery Time :	22-28 working days

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3.5'' Martillo Shank DHD3.5 Dth Hammer Without Foot Valve

3.5'' Martillo Shank DHD3.5 DTH Hammer Without Footvalve For Hard Rock DTH Drilling

Technical parameter DHD3.5 Without Footvalve DTH hammer:

shank	DHD3.5 Without Footvalve
Length(less bit)	888mm
External diameter	82mm
Top sub thread	API 2 3/8”REG
Weight(less bit)	25kg
Hole range	95mm-110mm
Working pressure	7-25bar
Impact rate at 17bar	32Hz
Recommended rotation speed	30-70rpm

Product introduction:

As specialist manufacturer and provider of DTH drilling tools, hereby we recommend our newest generation DHD3.5 without footvalve down the hole hammer which is improved by absorbing art technology, selecting superior alloy steel and robust design. It is proved by more than thousands times of test that our newest down the hole hammer has longer life , lower air consumption and 15% higher penetration speed compared the conventional DTH hammer in the market. In addition, it can work at the air pressure from 7 Bar to 25 Bar(102~ 362.5psi). At last, we developed various type of DTH hammer which can be compatible with DHD, COP, QL, MISSION and SD shank of DTH bits and performs very well. Therefore, the newest generation DTH Hammer is very popular among our customers and has a good market share as soon as it launched in the market.

Product 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.

Application:

DTH Hammer is one of key components for drilling equipment. They are powered by compressed air medium and supply continuous impact for bottom rocks with down-the-hole bit. They are widely used in ore drilling, surface mining,water well drilling, Geothermal drilling, foundation drilling and oil drilling.

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Company information:

Sollroc is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard.

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