Karazana mitsingevana na karazana trunnion, seranana feno na fampihenana ny seranana, karazana welded tanteraka na karazana fidirana ambony, tadiavo eto ny valva baolinao!NSEN dia afaka manome ny Flange sy Butt Weld fifandraisana araka ny takinao.Aza misalasala mifandray aminay hanamboatra ny valve anao!