bids are invited for procurement of spares for sulzer make pumps of steam generation plant shaft - refer tender document , impeller - refer tender document , gasket - refer tender document , gasket - refer tender document , bearing isolator - refer tender document , bearing isolator - refer tender document , throat bush - refer tender document , spacer ring - refer tender document , oil thrower - refer tender document , shim - refer tender document , oil ring - refer tender document , fan - refer tender document , screw hex hd - refer tender document , set screw - refer tender document , bearing nut - refer tender document , lock washer - refer tender document