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BS EN 1822-4:2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

High efficiency air filters (EPA, HEPA and ULPA) Determining leakage of filter elements (scan method)
Available format(s)

Hardcopy , PDF

Superseded date

10-22-2018

Language(s)

English

Published date

01-31-2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definition
4 Description of the procedure
5 Test filter
6 Test apparatus
7 Test air
8 Test procedure
9 Evaluation
10 Test report
11 Maintenance and inspection of the test apparatus
Annex A (normative) - Oil Thread Leak Test
Annex B (normative) - Determining the test parameters
Annex C (informative) - Example of an application with
        evaluation
Annex D (informative) - Leak Test with solid PSL Aerosol
Annex E (informative) - 0,3 [mu]m - 0,5 [mu]m Particle
        Efficiency Leak Test
Bibliography

Pertains 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.

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.

Committee
MCE/21
DevelopmentNote
Supersedes 97/704803 DC. (05/2005) Supersedes 08/30176852 DC. (01/2010)
DocumentType
Standard
Pages
46
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
DIN EN 1822-4:2011-01 Identical
NF EN 1822-4 : 2010 Identical
ONORM EN 1822-4 : 2012 Identical
EN 1822-4:2009 Identical
NBN EN 1822-4 : 2010 Identical
NS EN 1822-4 : 2009 Identical
UNE-EN 1822-4:2010 Identical
SN EN 1822-4 : 2010 Identical
NEN EN 1822-4 : 2009 Identical
I.S. EN 1822-4:2009 Identical
UNI EN 1822-4 : 2010 Identical

PD 6609:2007 Environmental cleanliness in enclosed spaces. Guide to in situ high efficiency filter leak testing

EN 1822-5:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 5: Determining the efficiency of filter elements
EN 1822-2:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
EN 1822-3:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 3: Testing flat sheet filter media
EN 1822-1:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
EN 14799 : 2007 AIR FILTERS FOR GENERAL AIR CLEANING - TERMINOLOGY

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