... -215 BX150-303 4.Swift Delivery High Pressure ASME API Flange Gasket1.shape: Octagonal, Oval or lens2.type: R,BX, ... M-400, C-276, and so on8. Application: W/N flange, gate valve, oil&gas industry, oil christmas tree, wellhead...9 ... )soft iron 90450carbon steel 120450F51150540304160600316160600 Our company Wenhzou Huahai Sealing Co.,LTD. is a leading specialised ring joint gasket manufacturer in China ...