The medium and large swivel is suspended below the integrated traveling block and hook, connecting the high-pressure hose with the kelly/top drive, simultaneously realizing the three core functions of heavy load suspension, high-speed rotation, and high-pressure drilling fluid circulation. It covers the full specifications of SL90, SL110, SL135, SL160, and SL225.
The housing adopts a fully sealed protection design, equipped with dustproof and waterproof sealing rings, effectively isolating downhole sand, high-pressure drilling fluid, and marine high-salt spray erosion. It is suitable for extreme operating environments such as high-temperature sand and dust on land and high-humidity salt spray at sea. Key parts adopt multi-pass weld reinforcement technology and are 100% subjected to magnetic particle, ultrasonic, and penetrant non-destructive testing.
