Reverse circulation drill pipe
Reverse circulation drill pipe
Roschen has developed and manufactures a comprehensive selection of threaded and hex joint RC drill pipes designed to maximize air flow and exhaust of cuttings.
Roschen RC drill pipes are manufactured using a high grade of steel combined with heat treatment for enhanced durability and performance.
Key Features
. Quick release hex joints
. High grade steel
. Cuttings exhaust through the center
| RC Drill Pipe Technical Parameter | |||||
| Type | O.D of the outer tube (mm) | I.D of the inner tube (mm) | Out. diameter of joint (mm) | Type of threads | Effective length (m) |
| ROS50/20 | 50 | 20 | 50 | ROS 50 | 1; 1.5 |
| ROS73/35 | 73 | 35 | 73 | ROS 70 | 1; 1.5 |
| ROS76/32 | 76 | 32 | 78 | 3" Remet | 1, 1.5, 3 |
| ROS89/40 | 89 | 40 | 89 | 3" Remet | 1; 1.5,3,4.5,6 |
| ROS102/41 | 102 | 41 | 103 | 4" Remet | 1; 1.5,3,4.5,6 |
| ROS114/52 | 114.3 | 52 | 116 | 4 1/2" Remet/Metzke | 1; 1.5,3,4.5,6 |
| ROS114/38 | 114.3 | 38 | 114.3 | 4 1/2" Remet/Metzke | 1; 1.5,3,4.5,6 |
| ROS114/50 | 114.3 | 50 | 114.3 | 4 1/2" Remet/Metzke | 1; 1.5,3,4.5,6 |
| ROS114/65 | 114 | 65 | 156 | 4 1/2" Remet/Metzke | 1; 1.5,3,4.5,6 |
| ROS127/76 | 127 | 76 | 162/168 | 4 1/2" Remet/Metzke | 6; 7.6,9.5 |
| ROS127/76 | 127 | 76 | 184 | 5 1/2 FH | 6; 7.6,9.5 |
| ROS140/88 | 139.7 | 88 | 184 | 5 1/2 FH | 6; 7.6,9.5 |
| ROS219/130 | 219 | 130 | 240 | 6 5/8 API | 6; 7.6,9.5 |
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
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
http://www.explorationcoredrilling.com
https://www.drillpipefactory.com
https://www.numberwon.cn
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