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DTH Hammer for Mining Stone Quarrying and Well Drilling

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DTH Hammer for Mining Stone Quarrying and Well Drilling

DTH Hammer for Mining Stone Quarrying and Well Drilling, With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

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Model: DTH Hammers
Brand: BESTLINK

Product Description

DTH Hammer for Mining Stone Quarrying and Well Drilling

With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

High Air Pressure DTH Hammer (with foot valve)

DTH hammer type		HD35	HD45	SD4	QL4
Length(less bit) mm		930mm	1030	1084	1097
Weight(less bit) kg		25kg	39	40.5	41
External diameter mm		Φ82mm	Φ99	Φ99	Φ99
Bit shank		DHD3.5	COP44 DHD340	SD4	QL40
Hole range(mm)		Φ90-110	Φ110-135	Φ110-135	Φ110-135
Connection thread		API 2³/8” Reg	API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg
Connection thread
Working pressure		1.0-1.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa		28Hz	27Hz	27Hz	27Hz
Recommended Rotation speed		25-40r/min	25-40r/min	25-40r/min	25-40r/min
Air consumption	1.0Mpa	4.5m³/min	6.0m³/min	6.0m³/min	6.0m³/min
	1.8Mpa	9.0m³/min	10.0m³/min	10.0m³/min	10.0m³/min
	2.4Mpa	/	15.0m³/min	15.0m³/min	15.0m³/min

DTH hammer type		HD55	HD55C	SD5	QL5
Length(less bit) mm		1214	1160	1175	1156
Weight(less bit) kg		76.5	72.5	72.5	73
External diameter mm		Φ125	Φ125	Φ125	Φ125
Bit shank		COP54 DHD350R	HD55C DHD350Q	SD5	QL50
Hole range(mm)		Φ135-155	Φ135-155	Φ135-155	Φ135-155
Connection thread		API 2 3/8"Reg	API 2 3/8"Reg	API 3 1/2"Reg	API 3 1/2"Reg
Connection thread		API 3 1/2"Reg	API 3 1/2"Reg
Working pressure		1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa		25Hz	25Hz	25Hz	25Hz
Recommended Rotation speed		20-35r/min	20-35r/min	20-35r/min	20-35r/min
Air consumption	1.0Mpa	9.0m3/min	9.0m3/min	9.0m3/min	9.0m3/min
	1.8Mpa	15.0m³/min	15.0m³/min	15.0m³/min	15.0m³/min
	2.4Mpa	23.0m³/min	23.0m³/min	23.0m³/min	23.0m³/min

High Air Pressure DTH Hammer (without foot valve)

DTH hammer type		HD25A	HD35A	HD45A	HD45S
Length(less bit) mm		872	888	1011	986
Weight(less bit) kg		16	25	43.2	37
External diameter mm		Φ71	Φ82	Φ99	Φ92
Bit shank		HD25	IR3.5	COP44 DHD340	COP44 DHD340
Hole range(mm)		Φ76-90	Φ90-115	Φ110-135	Φ105-120
Connection thread		T42101.5	API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg
Connection thread
Working pressure		1.0-1.5Mpa	1.0-1.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa		25Hz	25Hz	30Hz	30Hz
Recommended Rotation speed		22-35r/min	25-40r/min	22-35r/min	25-40r/min
Air consumption	1.0Mpa	4.0m³/min	3.8m³/min	6.0m³/min	5.0m³/min
	1.5/1.8Mpa	6.0m³/min	7.5m³/min	10.0m³/min	8.0m³/min
	2.4Mpa	/	/	15.0m³/min	13.0m³/min

DTH hammer type		SD4A	M4A	QL4A	HD55A
Length(less bit) mm		1012	1005	1070	1110
Weight(less bit) kg		40	40	40	69
External diameter mm		Φ99	Φ99	Φ99	Φ125
Bit shank		SD4	M4	QL40	COP54 DHD350R
Hole range(mm)		Φ110-135	Φ110-135	Φ110-135	Φ135-155
Connection thread		API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg
Connection thread					API 3 1/2"Reg
Working pressure		1.5-2.0Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa		30Hz	30Hz	30Hz	28Hz
Recommended Rotation speed		25-40r/min	25-40r/min	25-40r/min	20-35r/min
Air consumption	1.0Mpa	6.0m³/min	5.0m³/min	5.0m³/min	7.0m³/min
	1.5/1.8Mpa	9.0m³/min	9.0m³/min	9.0m³/min	14.0m³/min
	2.4Mpa	14.0m³/min	14.0m³/min	14.0m³/min	19.0m³/min