HST4 100HST4 100 aSTC3 element

HST/4 forced elevated temperature filter system

The Foramaflow HST/4 allows for a closed vent system

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Our range of forced air filtration equipment leads the way in microbiological and condensation protection for storage vessels. The Foramaflow HST/4 unit allows for a closed vent system by incorporating the STC/3 vent filter unit on the opposing side of a vessel allowing a continuous ullage space flow.

The HST/4 range is thermostatically controlled with temperatures upto 66 Deg C available. The Foramaflow HST/4 is also available as a non heated ambient temperature unit. All casings and terminations are Stainless Steel to conform with the food hygiene standard. All systems CE compliant. Certified TSE free for pharmaceutical applications.




Stainless Steel

Filter Media:

Hydrophobic Microglass water repellent paper to BS 2823

Operating Temperature:

Thermostatic Temperature upto 66 Deg C
Upto 120 Deg C for short periods. RH Conditions: 100% RH Environment (no free moisture)

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:

Flow rates from 100m3/hr to 400m3/hr


Complete range of fittings available from 3 - 5".