Supply Of Gasket For Dome Fitting Lpg Tank Wagons Safety Valve Gasket Thickness 3.2 Mm, O.d 171.6mm, I.d 152.3 Mm As Per Rdso Drg. 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 Or Similar..