應(yīng)用規(guī)范：

1、設(shè)計、制造按GB/T12238-1989

2、結(jié)構(gòu)長度按GB/T12221-2005

3、連接法蘭：JB/T79-1994

4、閥門檢查和試驗按JB/T9092-1999

Note：

1、Design Manufacture According to GB/T12238-1989

2、Face to Face According to GB/T12221-2005

3、End Flange Dimension According to JB/T79-1994

4、Valve Check And Test According to JB/T9092-1999

結(jié)構(gòu)：

    B.B浮動結(jié)構(gòu)、防火、防靜電

Structure：

    two pieces， fire-proof structure，antistatic design