GSE DHD-N DTH Hammer

The DTH is the abbreviation of Down The Hole and sometimes it is also called RAB in some markets, then the RAB is short for Rotary Air Blasting

SINODRILLS GSE DHD-N DTH Hammers


DTH (down-the-hole) drilling involves a drilling hammer at the bottom of a drill string, the hammer is powered by compressed air transmitted via drilling rod to drive piston and produce impact power, which is then delivered into rocks for drilling and crushing. DTH drilling can be applied in mining, quarrying, water well drilling, foundation piling, etc. DTH hammer uses compressed air to produce impact power, thus to drive drill bits to crush rocks.


Features

• Extraordinary penetration rate

• Less air, more production

• Less downtime, longer duration

• Premium material, fine CNC and heat-treatment manufacturing processes and optimized design;

• Good stability and reliability;

• High impact frequency;

• Lowered compressed air consumption;

• Long lifespan


Applications

Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.


Structure


01 - Top Sub 02 - O Ring 03 - Chevk Valve Dart 04 - Spring
05 - Steel Washer 06 - Rigid Valve 07 - O Ring 08 - Internal Cylinder
09 - Piston 10 - Piston Case 11 - Guide Sleeve 12 - Bit Retainer Ring
13 - O Ring 14 - Drive Sub


GSE DHD2.5N DTH Hammer


Net weight


Out diameter GSE DHD2.5N DTH Hammer length without bits


17.5 kg


70 mm 806 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


76mm - 80mm


8 bar - 18 bar
@ 10 bar @ 18 bar
3 8

GSE DHD3.5N DTH Hammer


Net weight


Out diameter GSE DHD3.5N DTH Hammer length without bits


24.5 kg


80 mm 862 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


90mm - 105mm


8 bar - 18 bar
@ 10 bar @ 18 bar
3.8 8

GSE DHD340N DTH Hammer


Net weight


Out diameter GSE DHD340N DTH Hammer length without bits


40.5 kg


99 mm 937 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


105mm - 130mm


8 bar - 25 bar
@ 10 bar @ 18 bar @ 24 bar
4.5 9 14

GSE DHD350N DTH Hammer


Net weight


Out diameter GSE DHD350N DTH Hammer length with out bits


75 kg


126 mm 1081 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


133mm - 152mm


8 bar - 30 bar
@ 10 bar @ 18 bar @ 24 bar
6.5 12.5 17

GSE DHD360N DTH Hammer


Net weight


Out diameter GSE DHD360N DTH Hammer length without bits


106 kg


144 mm 1188 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


152mm - 254mm


8 bar - 35 bar
@ 10 bar @ 18 bar @ 24 bar
7.5 16 24

GSE DHD380N DTH Hammer


Net weight


Out diameter GSE DHD380N DTH Hammer length without bits


195 kg


182 mm 1317 mm


Rec. hole size


Working pressure Air consumption: M3(CBM)/min


194mm - 305mm


8 bar - 35 bar
@ 10 bar @ 18 bar @ 24 bar
10 24 33

Please contact our sales team for more specifications.




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