Iivalvu zokujonga ze-API 6A Wellhead manifold
Ivalvu yokukhangela iyilwe kwaye iveliswa ngokupheleleyo ngokweemfuno ze-API 6A 《Iinkcukacha zeZixhobo zeWellhead kunye noMthi weKrismesi》, zingasetyenziswa ngokutshintshana nezixhobo ezihambelanayo ekhaya nakwamanye amazwe ezihambelana ne-API 6A Standard. I-core isebenzisa intsimbi enganyangekiyo ye-sulfide kwaye ingasetyenziswa kwimeko ye-H2S, umzimba wevalvu owenziwe ngentsimbi ye-alloy esebenza kakuhle. Zimbini iintlobo zeevalvu zokujonga ezinikezelwa yi-landrill: Uhlobo lwe-Swing kunye nohlobo lwe-Lift.