Q Series HEPA fan filter units contain a 30% ASHRAE pleated type pre-filter on the top to stop large particles from coming into the cleanroom. The Q series features a 3-speed switch with an off position which disables the unit while servicing.
The 1/5 HP motor blower is a forward curved direct drive motor/blower assembly with isolation mounts. Units are available in 115 Volt (60 Hz) and 277 Volt (60 Hz).
Final filters are protected with a white epoxy diamond pattern grille and are tested according to accepted procedures as described by the Institute of Environmental Sciences (IEST) and/or ISO standards. The standard HEPA filter is 99.99% efficient and an ULPA grade 99.9995% efficient filter is available as an option.
The HEPA Filters are designed for 90 FPM average face velocity @ initial 0.47 w.g. and have a rated efficiency of 99.99% @ 0.3 micron or larger. An anodized aluminum frame holds the 53mm media which is protected by a diamond pattern white epoxy coated steel grille.
Low Profile: All Q Series Models are12-5/8” high.
Standard Ceiling Size: All 2’ x 4’ models are designed to fit a nominal 2’ x 4’ ceiling grid with a 22.5” x 46.5” standard opening.
Air Flow: Airflow ranges from 500 to 750 CFM for a 2 x 4 unit and 250 to 400 CFM for a 2 x 2 unit. At 90 FPM, CFM is nominal 632 on a 2 x 4 and 300 on a 2 x 2 unit respectively.
Sound Level: At average face velocity of 90 FPM measured 30″ from the face of the filter, sound level is approximately 50-52 dba with less than 45 dba ambient sound level. Field conditions, voltage, and method of testing could produce different results.
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