API 6A Wellhead manifold Tshawb Xyuas Cov Li Qub
Lub qhov ntsuas valve yog tsim thiab tsim tawm raws li qhov yuav tsum tau ua ntawm API 6A "Cov Lus Qhia Txog Khoom Siv Rau Wellhead thiab Tsob Ntoo Christmas", siv tau sib pauv nrog cov khoom siv hauv tsev thiab txawv teb chaws uas yog inline nrog API 6A Standard. Lub hauv paus txais yuav sulfide-resistant steel thiab siv tau rau hauv H2S mob, lub cev valve ua los ntawm alloy steel forging nrog kev ua tau zoo. Ob hom Check valves muaj los ntawm landrill: Swing hom thiab Lift hom.