RTJ GASKET ACCORDING TO ASME B16.20 & API 6A R/RX/BX gasket ring 1.R,RX,BX type 2.304,316,321,347,F5,ocr13,CS,SI ,sof RTJ GASKET1.Type: R,BX,RX,IX2 Shape: octagonal, oval, lens3.Size:R11-105,RX20-215 BX150-303, inch 1/2-inch244.Certificate:API 6A, ISO9001:20005.Pressure: PN2.0(CLASS150)-PN42.0(CLASS2500)6.Standard: ASME B16.20 HG20612 HG206337.Material: carbon steel, soft iron, inconel625, M-400, ...