SINOTAI API 8C drilling rig swivel SL90-SL450  

Product Description swivel for drilling rigs Highlights 1.Swivel has two categories, common swivel and double duty swivel. Double duty swivel is common swivel combined with spinner.  2.With standard bails and double pin alloy steel sub.  3.The gooseneck is provided with an outlet for wire line logging. 4. With standard gooseneck joints, threads are in compliance with API Spec. 5B.  5.Wash pipe packing set assembly adopts cassette structure. It can be exchanged quickly without disassemble rotary hose and gooseneck.  6.May matching 3LP and 4LP internal or external thread hose connection thread.  7.Can also su…