詳細(xì)介紹
高溫高壓止回閥
螺紋止回閥,衛(wèi)生級止回閥,消聲止回閥
執(zhí)行標(biāo)準(zhǔn) 設(shè)計制造:ANSI B16.34 結(jié)構(gòu)長度:ANSI B16.5 檢驗與試驗:API598 API16D
Executive Standard
Designing and mamafulturing:ANSI B16.34
Face to face:ANSI B16.5
Nspectionand Test Standart:API598,API16D