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OptiPress Center
Center roll based press section is a reliable, well-known concept combining close to 40 years of pressing technology experience with modern shoe press technology. A shoe press replaces a roll just before the first open draw. The resulting boost in dryness thus fully benefits web runnability in the open draw.
Board and paper
Runnability Systems
Runnability systems stabilize the run of the web and secure tail threading in the dryer section. In practice, the equipment helps to hold the web in contact with the fabric by creating underpressure on the other side of the fabric. The underpressure is created by blowing, suction, or a combination of both.
Board and paper
Capacity increase for rebuilds
OptiDry Vertical is an impingement dryer, which increases drying capacity without adding machine length. It is installed under the existing dryer section. OptiDry Vertical suits all paper and board grades and can be use with any dryer section layout.
Board and paper
Stock mixing
Mixing technology for stock dilution
Board and paper
Machine screening
Optimal solution for high screening capacity and efficiency
Board and paper
Thickening
Board and paper
High consistency cleaning
Board and paper
Dispersion and refining
Valmet’s refiner family includes both conventional conical and double-disc refiners, securing stable operation and a uniform refining result.
Board and paper
Thickening and clarification
In challenging recycled fiber processes, reliable liquid clarification and thickening is critical for maintaining continuous and cost-effective operation.
Board and paper
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