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HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

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HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

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Brand Name :	SOLLROC
Model Number :	SD5 shank
Certification :	SGS
Payment Terms :	, L/C, T/T, MoneyGram, D/P
Supply Ability :	2500 set per month
Delivery Time :	3-4 weeks

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HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

HSD-A Series Tubeless Down The Hole Hammer 5 Inch Hammer Without Footvalve For Shank SD5

High Air Pressure DTH Hammer (without foot valve)

It's a king of high air pressure DTH hammer without footvalve,our newest design. it's also one of the most advanced DTH hammer 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.
According to your request, the top sub can be made into two spanners, an air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.

Products specifications:

Shank	Fit SD5 shank
Length (less bit)	1090mm
Outer diameter	125mm
Top sub thread	API 2 3/8" REG pin / API 3 1/2" REG pin
Weight (less bit)	70kg (154lbs)
Hole range	135mm-155mm
Working pressure	10-25bar
Impact rate at 1.7 Mpa	28Hz
Recommended rotation speed	20-35r/min
Air consumption at 7-14 bar	247-670CFM

Our HSD-A serises (without footvalve/Nylon tube) DTH hammer specifications:

DTH hammer type		HSD4A	HSD5A	HSD6A
Length(less bit) mm		1012	1090	1182
Weight(less bit) kG		40kg(88lbs)	70kg(143lbs)	90kg (198lbs)
External diameter mm		Φ99	Φ125	Φ148
Bit shank		SD4	SD5	SD6
Hole range(mm)		Φ110-135mm	Φ135-155mm	Φ146-148mm
Connection thread		API 2 3/8"Reg	API 2 3/8"Reg	API 3 1/2"Reg
Working pressure		1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa		30Hz	28Hz	25Hz
Recommended Rotation speed		25-40r/min	20-35r/min	20-30r/min
Air consumption	1.0Mpa	6m3/min	7m3/min	9m3/min
	1.8Mpa	9m3/min	14m3/min	18m3/min
	2.4Mpa	14m3/min	19m3/min	26m3/min

DTH hammer type		HSD8A	HSD10A	HSD12A
Length(less bit) mm		1330	1525	1860
Weight(less bit) kg		175kg(374lbs)	316kg(695lbs)	480kg(1056lbs)
External diameter mm		Φ185mm	Φ185mm	Φ275mm
Bit shank		SD8	SD10	SD12
Hole range(mm)		195mm-254mm	254mm-311mm	305mm-445mm
Connection thread		API 4 1/2"Reg	API 6 5/8" REG	API 6 5/8" REG
Working pressure		1.0-3.0Mpa	1.0-3.0Mpa	1.0-3.0Mpa
Impact rate at 1.7Mpa		22Hz	20Hz	20Hz
Recommended Rotation speed		15-25r/min	15-25r/min	15-25r/min
Air consumption	1.0Mpa	12m3/min	22m3/min	28m3/min
	1.8Mpa	22m3/min	40m3/min	50m3/min
	2.4Mpa	28m3/min	65m3/min	71m3/min

The information you may like to know before order:

SOLLROC Provide high efficiency and durable hammer all over the world.

Products photoes

HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

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For more information please contact:

Changsha Sollroc Engineering Equipments Co., Ltd

Tel: 86-731-85551632 Fax: 86-731-85551635

Emai: info@sollroc.com

Skype: jessicaling1982

Skype: yongzhedrill

Website: www.sollroc.com

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