Cleanrooms
Apreco’s leading VARI-centric range of air pressure stabilisers are designed to maintain a sterile environment. Our range is utilised in the cleanrooms of pharmaceutical, healthcare and commercial companies for effective room differential pressure control.
The patented balancing system enables our air pressure stabilisers to be set to close tolerances. They accurately control the differential air pressures between adjacent rooms. As soon as the pressure differential drops below the required level, the stabiliser fully closes. These features complement constant flow venturi valves often used in cleanroom ventilation systems.
Apreco air pressure stabilisers control differential pressure directly and airflow problems are immediately apparent when a failure in other parts of the system occur. In contrast, room pressures controlled through Building Management System (BMS) systems regulating supply and extract volumes are subject to the accurate interaction of a number of elements. Subsequently, component failure or drift is not generally immediately detectable when controlled by the BMS systems.
Air pressure stabilisers are available in a selection of sizes to suit different applications. Apreco can provide stabilisers suitable for inclusion in partitions and walls from 50-1000mm thick. Apreco’s air pressure stabilisers are designed to include removable blades for ease of cleaning, adhering to good practice in cleanroom design and limiting potential for dust collection on surfaces and edges.
Should the air pressure stabilisers need to be installed within a firewall, Apreco’s patented VARI-centric® fire-rated models can be utilised to operate within a 5-50Pa pressure range.
The units provide one, two and four hour protection to BS 476-20:1987
30 min to 1 hour protection using intumescent core combinations
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If you require assistance with Particle Counters or Air Samplers please contact David Sears at Facility Monitoring Systems Ltd on +44 (0)8702 410 862.
