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Dewatering Element High Wet Vacuum Suction Box

In the forming section of the paper machine, this dewatering element promotes rapid separation of moisture by preliminarily dewatering the pulp, thereby forming a wet paper web. Its excellent wear resistance and smooth surface not only help reduce damage to the forming fabric, but also improve the quality and strength of the paper, while reducing energy consumption and minimizing wear on the forming fabric and pressing parts.
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  • SUN HONG

High Vacuum Suction Foil Box (Wet Suction Box)


The high vacuum suction box achieves a smooth transition from low vacuum dehydration to high vacuum rapid dehydration through the strong suction of the vacuum pump, thereby accelerating the drying process of the paper, improving the dehydration effect, and optimizing the forming quality of the paper. The panel is equipped with adjustment bars at both ends for flexible adjustment of the suction width of the paper sheet. At the same time, the lubrication device reduces the friction coefficient through water lubrication, thereby extending the service life of the forming fabric. The top cover of suction box adopts a reasonable sealing structure design, with high overall processing accuracy, smooth surface and high smoothness, ensuring its wear resistance and self-lubricating properties, thereby reducing the wear of paper sheets during the dehydration process, improving the quality of paper sheets and the operating efficiency of the paper machine. The vacuum degree in this area is controlled within the range of -25~-60 kPa, while the width of the ceramic foil is 15-25mm, allowing for flexible selection of one, two, or three chamber arrangements to meet different dehydration needs.


vacuum suction box

Single Chamber

vacuum suction box

Double Chamber

vacuum suction box

Triple Chamber


Product Name
Ceramic Vacuum Suction Box
Material(Surface Covers)
Aluminum oxide, zirconium oxide, silicon nitride, silicon carbide ceramic
Material(Dewatering Boxes)
Stainless Steel Components


Features(Surface Covers)
1. Excellent Paper Forming
2. Reduced Paper Two-Sideness
3. Longevity of Ceramic Material Itself
4. Extended Service Life for Machine Clothing (Forming Wires & Press Felts).
5. Thermal Shock Resistant Up To 600°C (SI-NITRIDE CERAMIC)
Features( Dewatering Boxes)
1.Suitable for All Paper Grades and Speeds
2.Optimum Paper Quality
3.Efficient Drainage
4.Reduced Energy Consumption


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Established in 2010, Sun Hong Group is Chinese leading manufacturer of paper machine clothing including press felt, forming fabrics and dryer screen. Rely on our customers' trust we expanded our businnes, control serveral factory to manufacture and supply almost all the sapre parts for pulp and paper making machine.....
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