保溫閘閥
相關(guān)型號：BZ41H BZ40H BZ41Y BZ40Y BZ40R BZ40T
BZ41T
【生產(chǎn)標(biāo)準(zhǔn)】
- 設(shè)計制造按GB12234-89
Design Manafacfure
According to GB12234-89
- 結(jié)構(gòu)長度按GB12221-89
Face to Face ACCORDING to
GB12221-89
- 法蘭尺寸按JB/T79-94
Flange Dimenaion Accoring to
JB/779-94
- 閥門檢查和試驗按GB13927
Valve Check and Test
According to GB13927
