1, design, manufacturing and acceptance by JB/T 7749 95
2, the main materials: LCB, LF1, LF3, LC3, CF8, F304, etc
3, structure length of GB/T 12221 1989 standard
4, flange size according to JB/T 79 1994 standard
5, applicable temperature: 46 ~ 196 °-C
6, the valve inspection and test made according to standard JB/T 9092 1999 standard