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UNI EN 1822-4 : 2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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) - PART 4: DETERMINING LEAKAGE OF FILTER ELEMENTS (SCAN METHOD)
Superseded date

06-27-2019

Published date

01-01-2010

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
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

Relates 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.

DevelopmentNote
Together with UNI EN 1822-1, UNI EN1822-2, UNI EN 1822-3 and UNI EN 1822-5 supersedes UNI 7831, UNI 7832, UNI 7833, UNI 7740, UNI 7741 and UNI 7827. (05/2002)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
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Superseded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
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
NS EN 1822-4 : 2009 Identical
BS EN 1822-4:2009 Identical

UNI 11425 : 2011 SURGERY OPERATING THEATRE, VENTILATION AND AIR-CONDITIONING SYSTEM FOR CONTAMINATION CONTROL (VCCC) - DESIGN, CONSTRUCTION, COMMISSIONING, QUALIFICATION, MANAGEMENT AND MAINTENANCE

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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