Design Features:
▋With standard bails and double pin alloy steel sub.
▋The wash pipe and packing assembly are cartridge type and can be replaced on the floor without disconnecting the rotary hose and/or gooseneck.
▋The gooseneck is provided with an outlet for wire line logging.
▋With standard gooseneck joints. Threads are in compliance with API Std 5B.
▋The Swivels conform to API Spec. 8A/8C and are stamped with API monogram.
Specifications of Swivels:
| Model | SL90 | SL135 | SL225 | YG450 | YG585 | |
| Max. static load rating | kN | 900 | 1350 | 2250 | 4500 | 5850 |
| Max. speed | r/min | 300 | 300 | 300 | 300 | 300 |
| Max. working pressure | MPa（psi） | 25 (3570) | 35 (5000) | 35 (5000) | 35 (5000) | 35 (5000) |
| Hook clearance over gooseneck | mm(in) | 435(171/8) | 495 (191/2) | 540 (211/4) | 549(215/8) | 584 (23) |
| Dia. of stem | mm(in) | 64 (2 1/2) | 64 (2 1/2) | 75 (3) | 75 (3) | 75 (3) |
| Coupling Thread | To stem | 4 1/2″ | 4 1/2″ | 6 5/8″ | 7 5/8″ | 7 5/8″ |
| REG LH | REG LH | REG LH | REG LH | REG LH | ||
| To Kelly | 6 5/8″ | 6 5/8″ | 6 5/8″ | 6 5/8″ | 6 5/8″ | |
| REG LH | REG LH | REG LH | REG LH | REG LH | ||
| Overall dimension(L×W×H) | mm | 2380×750×800 | 2505×758×840 | 2880×1046×1065 | 3015×1096×1065 | 3115x1143×990 |
| Weight | kg | 1200 | 1341 | 2570 | 3060 | 4000 |