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