Metso will supply valves for Stora Enso's conversion of the Varkaus Mill fine paper machine in Finland to lightweight containerboard. In addition, Metso has carried out an installed base audit of its valves in the recycled fibre plant. The analysis ensures applicability and future performance of the valves in the rebuild. Metso also takes care of the spare part inventory services to the mill. The valve delivery contains Metso's Neles® ball valves, V-port segment valves and triple eccentric Neldisc® butterfly valves for on-off and control applications. The control valves are equipped with Metso's ND9000 series intelligent valve controllers, which have capability for advanced performance follow-up. They also allow predictive maintenance planning activities. "Stora Enso and Metso have a long-term relationship in the Varkaus Mill.