Porous Stainless Steel Cartridges (CRI)

CRI Cartridges Photo

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CRI Cartridges Drawing

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Features & Benefits

Designed to be clamped on a filter plate in a filtration vessel or on a tank wall. These cartridges feature a standard flange (ØC, 8mm thickness) on one end and a closed ending on the other. Contact us for custom flange configurations.

  • Material:  316 L Stainless Steel  construction per default. (304 L, Inconel 600, Monel 400, or Hastelloy on request).
  • Durability:  High mechanical resistance and good durability against aggressive fluids.
  • Temperature:  Usable over a wide range of temperatures.
  • Maintenance:  Regenerable through backflush, chemical, thermal, or ultrasonic treatment.
  • Retention:   8 PORAL grades available (03 to 40).

Designation / Ordering Guide

Item Model Ext. Ø D (mm) Length L (mm) Flange Ø C (mm) Surface S (cm²)
CRI 3.25 30 250 30 200
CRI 3.50 30 500 30 400
CRI 4.25 40 250 40 300
CRI 4.50 40 500 40 600
CRI 5.30 50 300 50 450
CRI 5.60 50 600 50 900
CRI 5.90 50 900 50 1350
CRI 6.30 60 300 60 550
CRI 6.60 60 600 60 1100
CRI 6.90 60 900 60 1650

Note on Filtration: In liquids, retention at 98% of solid particles ranges from 3.2 μm (Grade 03) to 90 μm (Grade 40). In gases, retention ranges from 0.2 μm to 8 μm.


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