Ivalve yokutshekisha iyilwe yaza yaveliswa ngokupheleleyo ngokweemfuno ze-API 6A 《IiNkcukacha zeSixhobo se-Wellhead kunye noMthi weKrismesi》, ekwazi ukusetyenziswa ngokutshintshanayo nezixhobo ezilandelelanayo ekhaya naphesheya ezihambelana ne-API 6A Standard. Undoqo wamkela i-sulfide-resistance steel kwaye iyakwazi ukusetyenziswa kwimeko ye-H2S, umzimba wevalvu owenziwe ngentsimbi ye-alloy esebenza kakuhle. Iindidi ezimbini zeeValve zokuHlola zinikezelwa yi-landrill: Uhlobo lwe-Swing kunye nohlobo lwe-Lift.