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English  |
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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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 | HSD4 | HQL4 | |
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 2 3/8” Reg | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | |
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 | HSD5 | HQL5 | |
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 | |
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 | T42*10*1.5 | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | |
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 | HSD4A | HM4A | HQL4A | 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 | HM4 | 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 | |
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 | |
