Search results with tag "Particulate efficiency"
BS EN BRITISH STANDARD High efficiency air filters (EPA ...
www.gttlab.comIt is dealing with the performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturers site. EN 1822, High efficiency air filters (EPA, HEPA and ULPA), consists of the following parts:
A basic design approach to Clean Room
gmpua.comefficiency and airflow rate. Clean rooms require very high efficiency filters and for class 100 and below, 100% HEPA filter coverage is recommended. HEPA (High efficiency particulate arrestance) filtration is 40% more efficient than the highest efficiency rated ASHRAE filter. Clean room air filtration technology centers around two types:
Air Handling Unit
www.systemair.com• For use with medium or high air pressure systems. ... efficiency - PM motor with IE4 efficiency Heat transfer coils. ... Units are offered with high quality & low pressure drop filters of different particulate efficiency. Inspection doors/ handles. Adequate sized inspection doors are provided in each section fitted with high
Diesel Exhaust/Diesel Particulate Matter
www.osha.gov• When respiratory protection is required, an air-purifying respirator equipped with a filter that meets one of the following: certified by NIOSH under 30 CFR Part 11 as a high-efficiency particulate air (HEPA) filter; under 42 CFR Part 84 as 99.97% efficient; or …
Guide to Air Cleaners in the Home
www.epa.govhigh-efficiency particulate air (HEPA) filter. To filter gases, choose a portable air cleaner with an activated carbon filter or other. filter designed to remove gases. Note that there are no widely used performance rating systems for portable air cleaners or filters designed to remove gases. The CADR rating system is for particles only.