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Withdrawn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 standard applies to high efficiency air filters and ultra low penetration air filters (HEPA- and ULPA-filters) used in the field of ventilation and air conditionning and for technical processes, for example, for clean room technology or applications in the nuclear or pharmaceutical industry. It establisches a procedure for the determination of the efficiency on 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WITHDRAWN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 1822-4:2000
99.60
Withdrawal effective
Nov 18, 2009
WITHDRAWN
EN 1822-4:2009