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SSH EN 1822-4:2006

High efficiency particulate air filters (HEPA and ULPA) - Part 4: Determining leakage of filter element (Scan method)

Jan 1, 2006
95.99 Withdrawal of Standard   May 29, 2015

General information

95.99     May 29, 2015

DPS

DPS/KT 269

European Norm

23.120  

English  

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Scope

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.

Life cycle

NOW

WITHDRAWN
SSH EN 1822-4:2006
95.99 Withdrawal of Standard
May 29, 2015

REVISED BY

WITHDRAWN
SSH EN 1822-4:2009

Related project

Adopted from EN 1822-4:2000