1. Construction: B.B&W.B
2. Gasket: Stainless Steel+Graphite, etc.
3. Integral Seat
4. Material for trim is depend on client requirement&operating condition
5. Design&Manufacture: API602; DIN; BS5352; etc.
6. Socket Welding Dimension: ANSI B16.11
7. Screw End Dimension: ANSI N1.20.1
8. Flange dimension: ANSI B16.5
9. Inspect and test: API598; EN12266-1