RTJ BGASKET 1.Certificate:API 6A, ISO9001:2000 2.Mat.:D,S,304,316 ... RX20-215 BX150-303, inch 1/2-inch244.Certificate:API 6A, ISO9001:20005.Pressure: PN2.0(CLASS150)-PN42.0( ... C-276, 10#,ss316,ss304.8.Application: W/N flange, gate valve, oil&gas industry, oil christmas tree, ... (HB)max temperature(degrees)soft iron90450carbon steel120450F51150540304160600316160600 API 6A R RX BX all series gaskets