1. Construction: B.C; Y -Type
2. Gasket: Stainless Steel+Graphite, etc.
3. Screw Plug: Stainless Steel
4. Design&Manufacture: API602; DIN; BS5352; etc.
5. Socket Welding Dimension: ANSI B16.11
6. Screw End Dimension: ANSI N1.20.1
7. Flange Dimension: ANSI B16.5
8. Inspect and Test: API598; EN12266-1