pressure screen filters, typically made from perforated plate with hole diameters of less than 0.008 in. / 0.20 mm, can be used to recover fibers in water streams, to remove fibers in water used on the paper machine or in dilution water for the headbox. Using a pressure screen filter eliminates the risk of stringing and of plugging the water nozzles.

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Ubo offers single- and multi-stage pressure screens, applicable in all screen applications, i.e., recycled fibers, mechanical pulp, chemical pulp, broke screening and machine screen applications.

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YUBO supplies wedge wire screens including wedge wire pressure screen filters. The wedge wire is a profiled V wire used to construct a screen that is both robust and extremely accurate.

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Wedge wire pressure screen baskets are highly efficient cylindrical rotating wedge wire screen basket used to separate solids from liquids or solids from solids.

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Wedge wire screen strainer baskets have flat type, cylinder type, slope type and basket type.

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Pressure screen's structure and principle-A pressure screen contains two main components: the rotor and screen cylinder. Once the unscreened pulp enters the screen via the feed stream

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This type of paper mill pressure screens made up of rods and warp, the rod can be round wire,triangular wire and trapezoid wire.The wire is welded to the rods and produces a rigid unit that has high strength and minimum weight. The warp is triangular wire(v-shape wire).The water well screens have a structure and high open area;as well as accurate slot dimension. well screen cylinder have heat -resistant,anti-corrosive,good machine capability,last long ,safety and reliability and so on.

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Pressure screen for pulp and paper machine is manufactured by a V or wedge shaped wire around an internal array of longitudinal support rods. Each intersection point of this wire is fusion welded. The V or wedge shaped profile wire wraps around the support rods over the full length of the screen creating a continuous slot opening, hence the screen allows water (oil) to enter your well freely in ample quantities while at the same time keeps the majority of sand and gravel out of the well.

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Paper Mill Pressure Screens,Slot Width Tolerance,Slot width shouldn”t exceed 0.02mm and shouldn”t less than 0.01mm compare to standard size when slot width is below 0.2mm,Slot width should be controlled within ± 0.02mm compare to standard size if slat width is bigger than 0.25mm,Plating ,Hard plating the wedge bar surface, plating thickness is 0.20-0.30mm. surface hardness ＞HRC : 60-66 (HV700-900)

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Up flow Pressure screen are very effective in wells of this type since they can be manufactured with very small slot size and yet still maintain the necessary open area to minimize friction head loss. Most continuous wire wrap screen is manufactured from stainless steel rather than carbon steel in order to avoid problems which often leads to accelerated corrosion.

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Paper Mill Pressure Screens are welded by profile V-wire and support wires,it is also called Wedge Wire Screen. It has large filter area because of big opening,Wedge Wire structure are easy for automatic back washing and avoid pipe blocking.The pressure will be reduced when water flows in for greater filter area,avoid the grains of sand flow in the wedge wire tube in the high pressure conditions,so extend the pipe”s life . Between the same length,diameter and slot size,wedge wire pipe is thrice than bridge filter pipes. Moreover, we have inside perforated metal and wedge wire tube outside filter.

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Wedge Wire Screen Basket is mainly used in centrifuge dewatering,coal,chemical,and metallurgical industries. Screen basket is a key part of centrifuge.It is high-speed rotating parts. When work, the basket should not only bear the vibration load, but also bear the impact of coal and water. So it requires relatively high strength and precision.

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