Varco API标准旋转接头冲洗管填料总成 油田钻井平台备件
SL型旋转接头是修井作业中悬挂钻杆与连接水龙带的必要提升工具。该系列包括SL35、SL60、SL90、SL135、SL225、SL450等型号，均依据API Spec 8A/8C《钻井与生产提升设备规范》设计制造。此类旋转接头是修井作业中悬挂钻杆及连接水龙带不可或缺的提升装置。
Specification:
| Model | SL135 | SL225 | SL450 | |
| Max. static load kN(lbs) | 1350 | 2250 | 4500 | |
| Max. Rotary speed (r/min) | 300 | 300 | 300 | |
| Max. working pressure(Mpa) | 35 | 35 | 35 | |
| Hook Clearance (mm) | 495 | 540 | 549 | |
| Center Pipe Diameter (mm) | 64 | 75 | 75 | |
| bore of stem mm(in) | 752 15/16 | 752 15/16 | 752 15/16 | |
| Connection Screw Thread | Connect to Center Pipe API | REG 4 1/2,LH | REG 6 5/8,LH | REG 7 5/8,LH |
| Connect to Kelly API | REG 6 5/8,LH | REG 6 5/8,LH | REG 6 5/8,LH | |
| Model of air motor | FMS-20 | FMS-20 | FMS-20 | |
| Rated speed r/min | 2800 | 2800 | 2800 | |
| Power kW | 14.7 | 14.7 | 14.7 | |
| Rated pressure MPa | 0.6 | 0.6 | 0.6 | |
| Air consume volume m3/min | 17free air | 17free air | 17free air | |
| Rated spinning speed r/min | 92 | 92 | 92 | |
| Max. spinning torque N·m | 3000 | 3000 | 3000 | |
| Overall dimension mm(in) | Length | 2505 | 2880 | 3015 |
| Width | 758 | 1046 | 1096 | |
| Height | 840 | 1065 | 1065 | |
| Masskg(kg) | 1341 | 2570 | 3060 |
