
Casing advancement systems for Geotechnical DTH hammers
Concentric Casing System With Blocks | |||||||
Model | Outer Dia. of Casing Tube (mm) | Inner Dia. of Casing Tube (mm) | Wall thickness of casing (mm) | Reamed Dia. (mm) | Min. Inner Dia.of Casing Shoe (mm) | Hammer Type | Drill Pipes (mm) |
140 | 168 | 148 | 10 | 180 | 138 | COP44/DHD340/MACH44/ MISSION40/ SD4/XL4/QL40 | 76/89 |
146 | 178 | 158 | 10 | 192 | 148 | COP54/DHD350/MACH50/ MISSION50/ SD5/QL50 | 76/89 |
165 | 194 | 173 | 10.5 | 205 | 161.5 | COP62/COP64/DHD360/ MISSION60/SD6/XL6/QL60/TD150 | 89/114 |
190 | 219 | 197 | 11 | 238 | 187 | 89/114 | |
240 | 273 | 253 | 10 | 305 | 241 | COP84/DHD380/SD8/QL80 | 114/127 |
280 | 325 | 305 | 10 | 350 | 282 | DHD112/QL120/SD12/ NUMA120/TH12 | 114/127 |
365 | 406 | 382 | 12 | 425 | 365 | 127/168 | |
410 | 457 | 433 | 12 | 480 | 409 | 168 | |
460 | 508 | 483 | 12.5 | 530 | 459 | 168 | |
500 | 560 | 535 | 12.5 | 620 | 501 | 168 |
Concentric Casing System With Wings | |||||||
Model | Outer Dia. of Casing Tube | Inner Dia. of Casing Tube(mm) | Wall thickness of casing | Reamed Dia. | Min. Inner Dia.of Casing Shoe | Hammer Type | Drill Pipes |
(mm) | (mm) | (mm) | (mm) | (mm) | |||
ODEX for DTH Drilling | |||||||
90 | 114 | 101 | 6.5 | 125 | 91 | COP32/COP34/DHD3.5/ BR3/MACH303 | 76 |
98 | 127 | 108 | 9.5 | 136 | 99 | 76 | |
110 | 133 | 124 | 9.5 | 145 | 112 | COP44/DHD340/MACH44/ MISSION40/SD4/XL4/QL40 | 76/89 |
115 | 146 | 125 | 10.5 | 154 | 117 | 76 | |
140 | 168 | 148 | 10 | 180 | 138 | 76/89 | |
146 | 178 | 158 | 10 | 192 | 148 | COP54/DHD350/MACH50/ MISSION50/SD5/QL50 | 76/89 |
165 | 193 | 173 | 10 | 206 | 164 | COP62/COP64/DHD360/ MISSION60/SD6/XL6/QL60/TD150 | 114 |
190 | 219 | 199 | 10 | 234 | 185 | 114 |
For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
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Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
ROSCHEN GROUP
ROSCHEN GROUP
ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.
ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.
ROSCHEN Manufactory PROCESS
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ROSCHEN'S MISSION
1. Strive to create and supply Best quality products for the industry that last longer than the average products.
2. Provide excellent service for our clients. 24 hour-7 days /week schedule to get our clients what they need – FAST.