1.Type :R.BX.RX 2.Shape:octagonal,oval,lens 3.Size:R11-105,RX20-215,BX150-303,Inch1/2"-24" Ring joint ... with JPI-7S23, ANSI B16.20 and API 6A used on the ring type joint flanges specified in JPI-7S-15, ANSI ... and Rx series of API std 6A.1.Type :R.BX.RX 2.Shape:octagonal,oval,lens3.Size:R11-105,RX20 ... -215,BX150-303,Inch1/2"-24"4.Certificate:API 6A,ISO9001:20005.Pressure:PN2.0 ...