產品參數

保溫閘閥應用規范 Application Norm
1、設計制造按12234-89 Design Manafacfure According to 12234-89
2、結構長度按GB12221-89 f-ace to Face According to GB12221 89
3、法蘭尺寸按JB/T79-94 Flange Dimenaion Accoring to JB/T79-94
4、閥門檢查和試驗按GB13927 Valve check and Test According to GB13927