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High Speed Drilling Borewell Hammer , Mincon Air Hammer Lower Energy Consumption

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High Speed Drilling Borewell Hammer , Mincon Air Hammer Lower Energy Consumption

Name: High Speed Drilling Borewell Hammer Mincon Air Hammer Lower Energy Consumption
Brand: SOLLROC
Price: 1 USD

Brand Name : SOLLROC

Model Number : SD4 shank

Certification : SGS

Place of Origin : China

MOQ : 1 pc

Payment Terms : , L/C, T/T, MoneyGram, D/P

Supply Ability : 2500 set per month

Delivery Time : 3-4 weeks

Packaging Details : Cartons + ply wood case (no plastic)

Brand : SOLLROC

Material : quality steel

Air pressure : 10-25bar

Bits dia. : 110mm- 135mm

Air consuption : 212-494CFM

Applications : Blasting hole

Advantage : fast speed and efficiency

Package : For sea worthy or air worthy

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High Speed Drilling Hammer Down The Hole Hammer 4 Inch Hammer Without Footvalve For Shank SD4

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 SD4 shank
Length (less bit)	1012mm
Outer diameter	99mm
Top sub thread	API 2 3/8" REG pin
Weight (less bit)	40kg (88lbs)
Hole range	110mm-135mm
Working pressure	10-25bar
Impact rate at 1.7 Mpa	30Hz
Recommended rotation speed	25-40r/min
Air consumption at 7-14 bar	211-494CFM

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

DTH hammer type		SD4A	SD5A	SD6
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		SD8A	SD10A	SD12A
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.

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High Speed Drilling Borewell Hammer , Mincon Air Hammer Lower Energy Consumption

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