1. Type: R, BX, RX, IX
2. Shape: Octagonal, oval, lens
3. Size: R11-105, RX20-215 BX150-303, inch 1/2''-inch24''
4. Certificate: API 6A, ISO9001: 2000
5. Pressure: PN2.0(CLASS150)-PN42.0(CLASS2500)
6. Standard: ASME B16.20 HG20612 HG20633
7. Material: Carbon steel, soft iron, inconel600, M-400, C-276, 10#, ss316, ss304
8. Application: W/N flange, gate valve, oil&gas industry, oil christmas tree, wellhead assembly.