... in accordance with JPI-7S23, ANSI B16.20 and API 6A used on the ring type joint flanges specified in JPI ... -7S-15, ANSI B16.5, API spec 6A and MSS sp-44.These Gaskets are manufactured in ... shapes confirming to R,Bx and Rx series of API std 6A.1.Type :R.BX.RX 2.Shape:octagonal, ... 105,RX20-215,BX150-303,Inch1/2"-24"4.Certificate:API 6A,ISO9001:20005.Pressure:PN2.0 (Class150)-PN42.0(Class2500 ...