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EVS-EN 1822-4:2010

High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method)

Üldinfo
Kehtetu alates 02.11.2018
Alusdokumendid
EN 1822-4:2009
Tegevusala (ICS grupid)
13.040.40 Püsiallikate heitmed
Direktiivid või määrused
puuduvad

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
02.11.2018
Põhitekst
04.03.2010
Põhitekst
Põhitekst
EVS-EN 1822-4:2001
This European Standard applies to efficient air filters (EPA), high efficiency air filters (HEPA) and ultra low penetration air filters (ULPA-filters) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry. It establishes a procedure for the determination of the efficiency on the basis of a particle counting method using an artificial test aerosol, and allows a standardized classification of these filters in terms of their efficiency. This part of EN 1822 applies to the leak testing of filter elements. The scan method which is described in detail regarding procedure, apparatus and test conditions in the body of this standard is valid for the complete range of group H and U filters and is considered to be the reference test method for leak determination. The “Oil Thread Leak Test” according to Annex A and the “0,3 µm - 0,5  µm Particle Efficiency Leak Test” according to Annex E may be used alternatively but for defined classes of group H filters only.
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EVS-EN ISO 29463-4:2018

High-efficiency filters and filter media for removing particles in air - Part 4: Test method for determining leakage of filter elements-Scan method (ISO 29463-4:2011)
Uusim versioon Kehtiv alates 02.11.2018