API 6A Valves Parts Ring Joint Gasket 1.type: R,BX,RX,IX 2 shape: octagonal, oval, lens 3.size: R11-105 ... ring Joint Gasket (RTJ) 1.type: R,BX,RX,IX 2 shape: octagonal, oval, lens 3 .size: R11-105,RX20- ... 215 BX150-303, inch 1/2-inch244.certificate:API 6A, ISO9001:2000 5. pressure: PN2.0 ... together and serve for them anytime anywhere. API 6A Valves Parts Ring Joint Gasket