E rua nga waahanga o te hurihuri, ko te hurihuri noa me te mahi takirua. Ko te hurihuri mahi takirua he commorswivel te hono me te spinner.Ko te hurihuri a te kamupene e rite ana ki nga paerewa hua API SPEC 8C PSL1. I whakawhiwhia e ia te tohu-tohu API i tukuna e te American Petroleum Institute me te whakaae ki te whakamahi i te monogram API.Washpipe packing set assembly te tango i te hanganga rīpene. Ka taea te whakawhiti tere me te kore he ngongo hurihuri me te kuihi kuihiMai e rite ana ki te 3LP me te 4LP o roto, o waho ranei o te miro hononga ngongo honoKa taea hoki e te kamupene te hanga i te miro whakaahuru aahuru iti e ai ki nga kaihoko'
requirement.Common swivel consists of swivel bail, shell, Support, gooseneck, central pipe , master bearing .joint other parts. Ko te pito o raro e hono ana ki te kakau kelly na te miro REG. Ko te peera hurihuri ka whakairihia ki te matau ranei, Ka taea te hono a Gooseneck me te ngongo hurihuri ma te hononga miro REG me te hononga uniana ranei (I raro i nga ahuatanga noa, ko te CH125 te hurihuri kaore i te honohono miro, etahi atu momo miro hurihuri welded4Lp waho).
