1. Construction: PSB&WPB
2. Renewable Seat
3. Design&Manufacture: ANSI16.34
4. Material for trim is depend on client requirement&operating condition
5. Face to Face: Manufacture Std.
6. Socket Welding Dimension: ANSI B16.11
7. Screw End Dimension: ANSI N1.20.1
8. Flange Dimension: ANSI B16.5; HG/T20592.
9. Inspect and Test: API598; EN12266-1
10. Gasket: Stainless Steel+Graphite etc.