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STC/3 Filter System – Tank Vent

The Foramaflow STC/3 unit allows the vessel to ventilate naturally so that all of the air displaced during filling and emptying cycles and normal ambient temperature changes, will pass through the sterile air filter to the same high degree of efficiency in both flow modes.

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The STC/3 unit is designed specifically for the food, beverage & pharmaceutical industries and in particular for use on storage vessels where the filter system is subjected to a range of harsh conditions from elevated temperatures, humidity, CIP procedures, vessel steaming and chemical attack. The provision of inner and outer grids ensures that filter integrity is maintained under reverse flow conditions during filling and emptying cycles.

The STC/3 HEPA Filter is manufactured under a patented process and has been engineered to provide absolute microbiological protection with an even higher flow rate against a low pressure drop and to withstand ever increasing hostile operating conditions.

Approved by DEFRA, the Scottish Dairy Industry and independently tested by the Food Science Laboratory (Aberdeen) and at HPA (Porton Down). The STC/3 Filter is certified in accordance with BS EN 1822 (H14) and tested against BS 3928.

The Foramaflow STC/3 is also available as an in line configuration.

Metalwork:

Stainless Steel

Filter Media:

Hydrophobic Microglass water repellent paper to BS 2823

Operating Temperature:

Upto 120 Deg C for short periods. RH Conditions: 100% RH Environment (no free moisture)

Pressure Integrity:

3 Kpa min. Differential pressure in both flow modes.

TSE Free Manufacture:

The Foramaflow Filter system is completely TSE Free (Transmissible Spongiform Encephalopathy) in accordance with the Food Hygiene, pharmaceutical and the MHRA industry standards, this includes all of our primary packaging.

Flow Rate:

200 cfm (94 l/s) at a pressure drop of 0.72"wg (180Pa)
280 cfm (132 l/s) at a pressure drop of 1.00"wg (250Pa)

Efficiency:

H14

Termination:

Complete range of fittings available from 1 - 5".