Supply Of Cup Valve Spares And Expansion Bellow For Ash Handling System At Bltps.- Face Ring For Type-1 Cup Valves, Face Ring For Type-2 Cup Valves, Lever Fork For Type-1 Cup Valves, Lever Fork For Type-2 Cup Valves, Shaft For Type-1 Cup Valves, Shaft For Type-2 Cup Valves, Bearing Bush With Double O Ring For Type-2 Cup Valve, Bearing Cover For Type-2 Cup Valve, Lever Of Cylinder For Type-2 Cup Valve, Lever Of Shaft For Type-2 Cup Valve, Expansion Below For 200 / 400 Nb Cup Valve For Dense Phase Ash Conveying System