Le valve yembulunga yenziwe ngokuhambisana nezindinganiso zaseMelika i-API600 ne-ASME B16.34. Isebenzisa umzimba oqinile we-WCB carbon steel owenziwe ngokuhlanganisa, onesakhiwo se-bonnet eboshwe ngamabhawudi, umklamo we-rising stem onokukhombisa ukuvuleka okubonakalayo. Ihlanganiswe nendawo eqinile yensimbi yokuvala, ingakwazi ukunqamula uketshezi nokulawula ukugeleza emapayipini ezimboni anomfutho ophezulu nokushisa okuphezulu, isetshenziswa ngesandla nge-handwheel.