Andritz Brasil and ORBINOX cooperate to develop an innovative submerged valve solution for wood washing tanks
Andritz Brasil and ORBINOX worked together to develop the most appropriate solution for a wood washing tank application in one of the most modern paper mills in the world, Klabin Ortigueira (Puma I), in Brazil.
Klabin Ortiguera needed to develop a valve solution for their wood washer tanks, where sand is removed from logs before they move on to the chipping lines. These valves are installed at the water inlets and outlets of the wood washer tanks, the one in the inlet being semi-submerged and the one at the outlet fully submerged. The valves are normally in the open position except in maintenance shutdowns as they are installed in a continuous process to wash the logs.
Considering the continuous operation conditions and the abrasive media of water and sand, the application required an abrasion resistant, long lasting and minimum maintenance downtime knife gate valve in the tank outlet.
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