Timagwiritsa ntchito muyezo wa A216 WCB carbon steel pathupi lonse la valve. Nkhaniyi ndi yolimba, yolimba komanso yokhoza kupirira kupanikizika kwakukulu, kotero valavu imayenda mosalekeza pansi pa zikhalidwe zapakati komanso zothamanga kwambiri. Mpira ndi zisindikizo zimapangidwa kuchokera ku zipangizo zolimba kuti zisawonongeke ndi dzimbiri. Chifukwa cha kupangidwa kwabwino komanso kusindikiza kwabwino, valavu sitayanika konse mukamagwiritsa ntchito, ndikusunga mapaipi anu akuyenda bwino.
Vavu ya mpira woyandamayi imakwanira magawo osiyanasiyana ogwirira ntchito. Imakhudza makalasi okakamiza kuyambira 150 mpaka 1500, ndipo imagwira ntchito mkati mwa kutentha kuchokera -29 ° C mpaka 425 ° C. Imayang'anira media wamba monga madzi, mafuta, gasi ndi nthunzi popanda zovuta. Timapereka ma flange, ulusi ndi ma weld end kulumikizana kuti zigwirizane ndi kuyika kwamunda komanso zosowa zamapaipi.
Titha kuyika valavu ndi magudumu am'manja, zida, pneumatic kapena magetsi kuti zigwirizane ndi zofuna zosiyanasiyana. Mapangidwe a mpira woyandama amayenda momasuka ndi torque yotsika, ndikutsegula ndikutseka mosalekeza. Chigawo chilichonse chimayesedwa ngati chipolopolo komanso kulimba kwa mipando pamalamulo a API 598 tisanachoke kufakitale yathu. Mukhoza kudalira khalidwe lake kwa nthawi yaitali ntchito mosalekeza mu malo mafakitale.