Gasket For Flange Welded Joint [Pipe To Equipment] For 20Mm N.B. Pipe To Rdso Drg. No . Wd-83062-S-07,Item No.1 Alt. 6 Or Latest Conforming To Rdso Spec No. 04-Abr [ Warranty P Eriod: 30 Months After The Date Of Delivery ] ]