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DTH Hammers
DTH Hammers
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DTH hammers are working units of DTH drill rigs, which drive piston forth and back to impact DTH bits for breaking stones by compressed air. The DTH hammers are divided into low air pressure DTH hammers (0.5~0.7Mpa), middle air pressure DTH hammers (0.7~1.2Mpa) and high air pressure DTH hammers (above 1.2 Mpa) regarding air pressure, DTH hammers with foot valves and DTH hammers without foot valves regarding air distribution models and structures, and normal DTH Hammers and reverse DTH hammers regarding flushing models. The DTH hammers are widely used in open-pit mining, underground mining, anchoring, quarrying, construction, etc.
High Air Pressure DTH Hammers(10-24 Bar) | |
Specification | 4″ 5″ 6″ |
Shank | DHD340A DHD350R DHD350Q DHD360 |
Thread | API 2 3/8"API REG 3 1/2"API REG |
Working Pressure | 10-24Bar |
Hole Range | φ105-φ203mm |
Middle-Low Air Pressure DTH Hammers(5-15 Bar) | |
Shank | CIR90 |
Thread | F48×10PIN API2 3/8″REG BOX |
Working Pressure | 5-10Bar |
Hole Range | φ90-φ130mm |