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详细介绍
应用规范
1.设计制造:按GB/T12224; GB/T122282.结构长度:按JB/T97-95
3.法兰端尺寸按JB/T82.1~82.4 -94
4.结构特征: B.B或W.B; OS&Y- 缩径( R.P )5.密封副材料:按“订货须知”选定
6.主体材料: A105; LF2; F11; F22; F304;F316; F304L; F316L等7.阀门检验和试验:按API 598的规定
Applied norm
1. Design and manufacture: GB/T12224;GB/T12228;2. Face to face: JB/T97-95
3. Dimension of flange: JB/T82.1~82.4- -94
4. Structural feature: B.B orW.B; OS&Y-reducedport ( R.P )
5. Sealing accessory material: according to "ordering guide".6. Body material: A105; LF2; F11; F22; F304;F316; F304L; F316L
7. Valve inspection and test according to API 598
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