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NF EN 1822-4:2010现行

High Efficiency Air Filters (epa, Hepa And Ulpa) - Part 4: Determining Leakage Of Filter Elements (scan Method)

出版：Association Francaise de Normalisation

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基本信息

标准编号： NF EN 1822-4:2010

发布时间：2010/1/1 0:00:00

标准类别：Standard

出版单位：Association Francaise de Normalisation

标准页数：40

标准简介

Applicable to high efficiency air filters and ultra low penetration air filters (HEPA- and ULPA-filters) for use in the field of air conditioning and ventilation and for the technical processes, e.g. for clean room technology or applications in the nuclear or pharmaceutical industry. It gives a method for determining 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.

标准备注

Indice de classement: X44-014-4. Supersedes NFX 44 014-4. (02/2004) PR NF EN 1822-4 June 2008. (06/2008)

本标准替代的旧标准

NF EN 1822-4:2000

NFX 44 014-4 : 97 PR

等同采用的国际标准

I.S. EN 1822-4:2009 - Identical

BS EN 1822-4:2009 - Identical

NEN EN 1822-4:2009 - Identical

NS EN 1822-4:2009 - Identical

UNI EN 1822-4:2010 - Identical

SS EN 1822-4 Ed. 2 (2009) - Identical