Tender For supply of procurement of rubber gasket for maintenance of ash handling system of units 1 to 8 mtps dvc b b -epdm rubber gasket ring od-232 mm. , epdm rubber gasket ring od-9 inch ci sleeve , epdm rubber gasket ring od-11 inch ci sleeve , rubber gasket for sleeve coupling 200nb , neoprene gskt slev cuplng 300nb,od324 mm , rubber gasket for sleeve coupling 350nb , epdm -65 rubber sheet thk-3mm , epdm -65 rubber sheet thk-5mm