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Perforation Patterns

Below you will find some examples of typical perforation patterns:

  Veel voorkomend perforatiepatroon

          circular perforation; triangular 60°

square perforation; staggered 45°

          open area s = 0,906 (d/a)²

open area s = 0,906 (d/a)²

  Veel voorkomend perforatiepatroon

          circular perforation; straight 90°

rectangular perforation, straight

          open area s = 0,785 (d/a)²

open area s = (c1*c2) / (a1*a2)

  Veel voorkomend perforatiepatroon

          circular perforation; staggered 45°

rectangular perforation; staggered

          open area s = 0,785 (d/a)²

open area s = 2 * (c1*c2) / (a1*a2)

  Veel voorkomend perforatiepatroon

          square perforation; straight 90°

slotted perforation; straight

          open area s = (c/a)²

open area s = ((c1*c2) – 0,215*c1²) / (a1*a2)

Veel voorkomend perforatiepatroon

          square perforation; staggered

slotted perforation; staggered

          open area s = (c/a)²

open area s = 2 * ((c1*c2) – 0,215*c1²) / (a1*a2)

More information about perforated plates can be found here: Downloads.

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