Tender For corrigendum : tender for supply of reheater block valve and spares c c -reheater block valve with actuator , plug m/c 2 inch sh , plug pin 2 inch 41k , sh spray c/v body gasket 2 inch , sh spray c/v split packing ring (919) , sh spray c/v split packing ring (933) , plug m/c 2 inch rh , rh spray c/v seat ring m/c 2 , gasket body 2 inch , rh spray c/v flexible graphite packing