Supply of Gasket For Btpgln Tank Wagons Eduction Valve Gasket Thickness 3.2Mm, O.D.101.7 Mm, I.D. 82.4 Mm To Rdso Drg. No. Wcs-7801-S-62 Alt-4. Material -As Per Is:2712/1998 Grade W/2 & O/2 Compressed Asbestos Fiber Jointing Graphite. Make: Ferolite, Hilite, Thermoseal, Champion Or Similar Warranty Period: 30 Months After The Date Of Delivery