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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
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
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