99.60 Withdrawal effective Nov 18, 2009
CEN
CEN/TC 195 Cleaning equipment for air and other gases
European Norm
23.120 Ventilators. Fans. Air-conditioners
Withdrawn
This European Standard applies to high efficiency particulate air filters and ultra low penetration air filters (HEPA and ULPA) used in the field of ventilation and air conditioning and for technical process, e.g. for clean room technology or applications in the nuclear and pharmaceutical industry. It established a procedure for the determination of the basis of a particle counting method using a liquid test aerosol, and allows a standardized classification of these filters in terms of their efficiency.
WITHDRAWN
EN 1822-3:1998
99.60
Withdrawal effective
Nov 18, 2009
WITHDRAWN
EN 1822-3:2009
