Porous Stainless Steel Candles (BI)

BI Candles Photo

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BI Candles Drawing

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Features & Benefits

Designed to be screwed under a filter plate in a filtration vessel or at the end of piping. The standard connection is a threaded M20x150 with a Ø16 opening on one end and a closed ending on the other. Contact us for other fittings (NPT, BSP).

  • 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 (mm) Length L (mm) Filtration Surface S (cm²)
BI 2.10 20 100 70
BI 4.12 40 125 150
BI 4.25 40 250 300
BI 5.30 50 300 450
BI 5.60 50 600 900

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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