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2018 Hjg Newest HD 55 Rock Drilling DTH Hammers1
Pneumatic Tools, DTH Hammer, Rock Drilling
Changsha Heijingang Industrial Co., Ltd.
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Product Description We are leading manufacturer specialized in researching and manufacturing rock drilling equipment and pnuematic tools in China. It has the following advantages:1. Valveless air distribution. More reliable.2. Simple design of the piston, long life.3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.Products specifications: HammersBit ShankConnection ThreadSuitable bitWorking pressureAir consumption1-3" Middle-low pressure DTH hammersBR1BR2BR3RD40 boxRD50 boxAPI 2 3/8" Reg￠64-￠76mm￠70-￠90mm￠90-￠110mm0.7-1.75Mpa0.7-1.75Mpa0.7-1.75Mpa0.7Mpa4.5m3/min1.0Mpa4m3/min1.4Mpa5m3/min3" hammersDHD3.5COP32/COP34M30API 2 3/8"Reg￠90-￠110mm1.0-1.5Mpa1.0Mpa4.5m3/min1.5Mpa9m3/min4" hammersDHD340COP44QL40SD4M40API 2 3/8"Reg￠105-￠130mm1.0-2.5Mpa1.0Mpa6m3/min1.8Mpa10m3/min2.4Mpa15m3/min5" hammersDHD350COP54QL50SD5M50API 2 3/8"Reg/API 3 1/2"Reg￠130-￠156mm1.0-2.5Mpa1.0Mpa9m3/min1.8Mpa15m3/min2.4Mpa23m3/min6" hammersDHD360COP64QL60SD6M60API 3 1/2"Reg￠152-￠203mm1.0-2.5Mpa1.0Mpa10m3/min1.8Mpa20m3/min2.4Mpa28.5m3/min8" hammersDHD380COP84QL80SD8API 4 1/2"Reg￠200-￠279mm1.0-2.5Mpa1.0Mpa15m3/min1.8Mpa26m3/min2.4Mpa34m3/min10" hammersSD10NUMA100API 6 5/8"Reg￠254-￠330mm1.0-2.5Mpa1.0Mpa22m3/min1.8Mpa40m3/min2.4Mpa55m3/min12" hammersDHD1120SD12NUMA120NUMA125API 6 5/8"Reg￠305-￠381mm1.0-2.5Mpa1.0Mpa30m3/min1.8Mpa56m3/min2.4Mpa78m3/min
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