Grids

  • Easy to install
  • Less blinding problems
  • Good mechanical properties
  • Less filtration resistance
  • Easy flow of filtrate/air

Longer Grid Lifetime

Roxia filter grids for tower press filters have a longer lifetime because they are made from polypropylene with higher, up to 30 % glass fibre content. This reinforces the grid wear resistance and makes it possible to use them in high-temperature applications. Individual Roxia grid elements are bigger than usual as they extend over the full width of the filter plate. This means there are fewer grid components that are easier to install. Available sizes are for 1.6 m², 2.5 m² and 6 m² filter plates. Roxia filter grids for tower press filters are durable and reliable which results in savings and extended service intervals.

All cut corners of the grids are sealed, which also extends filter cloth lifetime.

Sealed filter grid corners

All cut corners of the Roxia filter grids are sealed. The sealing extends not only grid, but also filter cloth lifetime – there are no sharp edges that can otherwise harm the cloth. Upon request, it is possible to deliver them uncut and without sealing. Different tower press filter types also require different plate corners.

Grids offered by Roxia come in the following corner types:

  • Straight
  • Corner 80 x 80
  • Rounded corner R220
  • Corner 210 x 210
  • Corner 173 x 173

The latter three corner cuts are applicable to 6 m² filter plate size.


All cut corners of the grids are sealed, which also extends filter cloth lifetime.

Square openings on Roxia filter grids provide a larger open area which improves flow of filtrate and air and reduces filtration resistance.

Various grid sizes, openings and corner types

Roxia filter grids come in different sizes for tower press filter plates measuring 1.6 m², 2.5 m² and 6 m². The grid components are bigger than usual which significantly eases the installation. Fewer grid elements to install means less work, shorter installation time and reduces the possible risk of improper fitting.

The number of Roxia grid elements per filter plate size:

  • Filter plate size 1.6 m² fits 5 elements
  • Filter plate size 2.5 m² fits 7 elements
  • Filter plate size 6 m² fits only 12 elements

Besides traditional diagonal openings, Roxia filter grids are also available with square openings. The latter options allows a better flow of filtrate and air. A larger open area through square openings has less filtration resistance. For more details, see the technical datasheet or consult Roxia filter service experts.


Square openings on Roxia filter grids provide a larger open area which improves flow of filtrate and air and reduces filtration resistance.

Conventional diagonal grids

  • Less open area & less filtration area → less capacity
  • Small openings → higher probability of blinding
  • Lots of supporting legs → rambling route for filtrate/air
  • Thin supporting legs & wearing → collapsing
  • Original yellow element just polypropylene → low mechanical properties
  • Small element size → complicated assembly

Roxia grids

  • Square openings: lots of open area less filtration resistance
  • Bigger openings → less blinding problems
  • Big element size → easy to install
  • Rigid thick supporting legs & less legs needed → easy flow of filtrate/air
  • Thick legs → wear resistance
  • Glass fiber reinforced polypropylene → good mechanical properties

Grid elements technical data

Item code Colour Opening type Size in mm*
FI10047 Yellow Square 349 x 895
FI10048 Teal Diagonal 349 x 895
FI10049 Green Square 349 x 1496

* Dimensions are only for guidance.

 

Item code Colour Opening type No. of elements Plate type Plate size

 

Corner type

 

Sealed corner

 

FI10138 Yellow Square 5 cup 1.6 m2 straight corner x
FI10158 Yellow Square 5 flat 1.6 m2 corner 80 x 80  
FI10166 Teal Diagonal 5 cup 1.6 m2 straight corner x
FI10171 Teal Diagonal 5 flat 1.6 m2 corner 80 x 80  
FI10322 Green Square 7 flat 2.5 m2 corner 120 x 120 x
FI10191 Green Square 12 flat 6 m2 rounded corner R220 x
FI10185 Green Square 12 flat 6 m2 corner 210 x 210 x
FI10198 Green Square 12 flat 6 m2 corner 173 x 173 x

 

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