Air Classification: ISO Class 5 (EUGMP Grade A) all chambers Airflow Pattern: Single Pass Turbulent airflow to all chambers Number of Air 150 air changes/hr minimum all chambers Changes: normal operation 240 air changes/hr main chamber during aeration 400 air changes/hr transfer chamber during aeration Operating Pressure: Main Chamber +50Pa Transfer Hatch +35Pa Lighting Levels: 700lux within main chamber only Noise Levels: Less than 70dBA Temperature: Un controlled (Monitoring only) Humidity: Un controlled (Monitoring only) Inlet & Exhaust HEPA H14 grade filter having an efficiency of Filtration: 99.997% the test method used being a full face photometer leak test in accordance with PD6609, using a DOP test
aerosol generated with a thermal generator.
Virtually all currently used HEPA filters worldwide are based on microglass, wet laid paper with minimum efficiencies according to the DOP test
(dioctyl phthalate liquid) of 9.95% for 0.3 micron particles.
Quotation are invited for Insitu fitting of pressure tube inside prefilter pit of Hot Cell exhaust ventilation system,modification on Isolation door for free operation ,projected Mild Steel EP grinding for properly closing of Hot Cell Access door,providing DOP test
sampling point on filter bank door, air sampling points on exhaust duct of AHCAFRTA, IRAD at A-Block, CFB, North Site, BARC, Mumbai.