特征和应用规范 Features and applications

1.结构:P.S;OS&Y                                         1.承插焊:ANSIB16.11;JB/T1751

2.承插焊;螺纹;法兰连接                                 2.法兰尺寸:ANSIB16.5;JB/T82.1~82.4-94;HG 2092- 97等                                

3.全径                                                         3.螺纹端尺寸:ANSI B1.20.1(NPI);GB/T 7306-87(RC)

4.可更换阀座                                                4.检验和试验: API 598

5.设计和制造:API602&ANSIB16.34              5.主体材料:A105、LF2、F5、F11、F22、F304、F304L、F316、F316L

6.结构长度:ANSI B16.10;JB/T97-95