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Set DIN EN 1822-1-5 - air filters EPA, HEPA and ULPA

High efficiency air filters (EPA, HEPA and ULPA)

EN 1822-1; EN 1822-2; EN 1822-3; EN 1822-4; EN 1822-5
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Released:2011
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Set DIN EN 1822 part 1-5 - Heigh efficiency air filters EPA, HEPA and ULPA

 

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  • DIN EN 1822-1: 2009 - High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking EN 1822-1:2009 has been prepared by Technical Committee CEN/TC 195 "Air filters for general air cleaning", the secretariat of which is held by UNI. It supersedes EN 1822-1:1998. The national interests during the preparation of the standard were represented by the Mechanical Engineering Standards Committee (NAM), Technical Section General Ventilation, at DIN. Representatives of the interested parties, amongst them manufacturers of high efficiency air filters, users, and research and test institutes were involved in the preparation of this standard. The EN 1822 standard series "High efficiency air filters (EPA, HEPA and ULPA)" deals with the filtration performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturer's site and consists of the following parts: Part 1: Classification, performance testing, marking Part 2: Aerosol production, measuring equipment, particle counting statistics Part 3: Testing flat sheet filter media Part 4: Determining leakage of filter elements (scan method) Part 5: Determining the efficiency of filter elements The standard is based on particle counting methods which most likely cover the requirements of different applications. The differences between this European Standard and the previous standard are as follows: * an alternative test method using a solid (instead of a liquid) test aerosol; * a method for testing and classification of filters made out of membrane type filter media; * a method for testing and classification of filters made out of synthetic fibre media; and * an alternative method for leak testing of group H filters with other than panel shape. Beside that, various editorial corrections have been implemented. As decided by CEN/TC 195, this standard is based on particle counting methods, which actually cover most requirements of different applications. The difference to previous standards lies in the technique used for the determination of the integral efficiency. Instead of mass relationships, the new technique is based on methods for particle counting at the most penetrating particle size (MPPS), which is for micro-glass filter mediums usually in the range of 0,12 µm to 0,25 µm. For membrane filter media, separate rules apply which are included in Annex A of EN 1822-5. This method also allows for testing ultra low penetration air filters. This was not possible with the previous test methods because of their inadequate sensitivity. DIN EN 1822-1 applies to high efficiency particulate and ultra low penetration air filters (EPA, HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, for example, for applications in clean room technology or pharmaceutical industry. It specifies a procedure for the determination of the efficiency on the basis of a particulate counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both integral and local.

  • DIN EN 1822-2: 2009 - High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics EN 1822-2:2009 has been prepared by Technical Committee CEN/TC 195 "Air filters for general air cleaning", the secretariat of which is held by UNI (Italy). It supersedes EN 1822-2:1998. The national interests during the preparation of the standard were represented by the Mechanical Engineering Standards Committee (NAM), Technical Section General Ventilation, at DIN. Representatives of the interested parties, amongst them manufacturers of high efficiency air filters, users, and research and test institutes were involved in the preparation of this standard. The EN 1822 standard series "High efficiency air filters (EPA, HEPA and ULPA)" deals with the performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturing site and consists of the following parts: Part 1 Classification, performance testing, marking Part 2 Aerosol production, measuring equipment, particle counting statistics Part 3 Testing flat sheet filter media Part 4 Determining leakage of filter elements (scan method) Part 5: Determining the efficiency of filter elements The standard is based on particle counting methods which most likely cover the requirements of different applications. The differences between this European Standard and the previous standard are as follows: * an alternative test method using a solid (instead of a liquid) test aerosol; * a method for testing and classification of filters made out of membrane type filter media; * a method for testing and classification of filters made out of synthetic fibre media; and * an alternative method for leak testing of group H filters with other than panel shape. Beside that, various editorial corrections have been implemented. As decided by CEN/TC 195, this standard is based on particle counting methods, which actually cover most requirements of different applications. The difference to previous standards lies in the technique used for the determination of the integral efficiency. Instead of mass relationships, the new technique is based on methods for particle counting at the most penetrating particle size (MPPS), which is for micro-glass filter mediums usually in the range of 0,12 µm to 0,25 µm. For membrane filter media, separate rules apply which are included in Annex A of EN 1822-5. This method also allows for testing ultra low penetration air filters. This was not possible with the previous test methods because of their inadequate sensitivity. DIN EN 1822-2 applies to high efficiency particulate and ultra low penetration air filters (EPA, HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, for example, for applications in clean room technology or pharmaceutical industry. It specifies a procedure for the determination of the efficiency on the basis of a particulate counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both integral and local. The standard describes the measuring instruments and aerosol generators used in the course of this testing. Furthermore, with regard to particle counting, it specifies the statistical basis for the evaluation of counts with only small numbers of counted events.

  • DIN EN 1822-3: 2009 - High efficiency air filters (EPA, HEPA and ULPA) - Part 3: Testing flat sheet filter media EN 1822-3:2009 has been prepared by Technical Committee CEN/TC 195 "Air filters for general air cleaning", the secretariat of which is held by UNI. It supersedes EN 1822-3:1998. The national interests during the preparation of the standard were represented by the Mechanical Engineering Standards Committee (NAM), Technical Section General Ventilation, at DIN. Representatives of the interested parties, amongst them manufacturers of high efficiency air filters, users, and research and test institutes were involved in the preparation of this standard. The EN 1822 standard series "High efficiency air filters (EPA, HEPA and ULPA)" deals with the performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturer's site and consists of the following parts: Part 1: Classification, performance testing, marking Part 2: Aerosol production, measuring equipment, particle counting statistics Part 3: Testing flat sheet filter media Part 4: Determining leakage of filter elements (scan method) Part 5: Determining the efficiency of filter elements The standard is based on particle counting methods which most likely cover the requirements of different applications. The differences between this European Standard and the previous standard are as follows: * an alternative test method using a solid (instead of a liquid) test aerosol; * a method for testing and classification of filters made out of membrane type filter media; * a method for testing and classification of filters made out of synthetic fibre media; and * an alternative method for leak testing of group H filters with other than panel shape. Beside that, various editorial corrections have been implemented. As decided by CEN/TC 195, this standard is based on particle counting methods, which actually cover most requirements of different applications. The difference to previous standards lies in the technique used for the determination of the integral efficiency. Instead of mass relationships, the new technique is based on methods for particle counting at the most penetrating particle size (MPPS), which is for micro-glass filter mediums usually in the range of 0,12 µm to 0,25 µm. For membrane filter media, separate rules apply which are included in Annex A of EN 1822-5. This method also allows for testing ultra low penetration air filters. This was not possible with the previous test methods because of their inadequate sensitivity. DIN EN 1822-3 applies to efficient air filters (EPA), high efficiency air filters (HEPA) and ultra low penetration air filters (ULPA) used in the field of ventilation and air conditioning and for technical processes, for example, for applications in clean room technology or pharmaceutical industry. It specifies a procedure for the determination of the efficiency on the basis of a particulate counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both integral and local. The standard applies to testing sheet filter media used in high efficiency air filters. Test methods, test assemblies and test conditions and calculation bases are described in detail

  • DIN EN 1822-4: 2009 - High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method) EN 1822-4:2009 has been prepared by Technical Committee CEN/TC 195 "Air filters for general air cleaning", the secretariat of which is held by UNI. It supersedes EN 1822-4:2000. The national interests during the preparation of the standard were represented by the Mechanical Engineering Standards Committee (NAM), Technical Section General Ventilation, at DIN. Representatives of the interested parties, amongst them manufacturers of high efficiency air filters, users, and research and test institutes were involved in the preparation of this standard. The EN 1822 standard series "High efficiency air filters (EPA, HEPA and ULPA)" deals with the performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturer's site and consists of the following parts: Part 1: Classification, performance testing, marking Part 2: Aerosol production, measuring equipment, particle counting statistics Part 3: Testing flat sheet filter media Part 4: Determining leakage of filter elements (scan method) Part 5: Determining the efficiency of filter elements The standard is based on particle counting methods which most likely cover the requirements of different applications. The differences between this European Standard and the previous standard are as follows: - an alternative test method using a solid (instead of a liquid) test aerosol; - a method for testing and classification of filters made out of membrane type filter media; - a method for testing and classification of filters made out of synthetic fibre media; and - an alternative method for leak testing of group H filters with other than panel shape. Beside that, various editorial corrections have been implemented. As decided by CEN/TC 195, this standard is based on particle counting methods, which actually cover most requirements of different applications. The difference to previous standards lies in the technique used for the determination of the integral efficiency. Instead of mass relationships, the new technique is based on methods for particle counting at the most penetrating particle size (MPPS), which is for micro-glass filter mediums usually in the range of 0,12 µm to 0,25 µm. For membrane filter media, separate rules apply which are included in Annex A of EN 1822-5. This method also allows for testing ultra low penetration air filters. This was not possible with the previous test methods because of their inadequate sensitivity. DIN EN 1822-4 applies to efficient air filters (EPA), high efficiency air filters (HEPA) and ultra low penetration air filters (ULPA) used in the field of ventilation and air conditioning and for technical processes, for example, for applications in clean room technology or pharmaceutical industry. It specifies a procedure for the determination of the efficiency on the basis of a particulate counting method using a liquid (or alternatively a solid) test aerosol, and allows a standardized classification of these filters in terms of their efficiency, both integral and local. DIN EN 1822-4 applies to the leak testing of filter elements. The scan method which is described in detail regarding test assemblies and measuring equipment, test conditions and calculation bases in the body of this standard is valid for the complete range of HEPA- and ULPA-filters and is considered to be the reference test method for leak determination. The Oil Thread Leak Test described in 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.
  • DIN EN 1822-5: 2009 - High efficiency air filters (EPA, HEPA and ULPA) - Part 5: Determining the efficiency of filter elements EN 1822-5:2009 has been prepared by Technical Committee CEN/TC 195 "Air filters for general air cleaning", the secretariat of which is held by UNI. It supersedes EN 1822-5:2000. The national interests during the preparation of the standard were represented by the Mechanical Engineering Standards Committee (NAM), Technical Section General Ventilation, at DIN. Representatives of the interested parties, amongst them manufacturers of high efficiency air filters, users, and research and test institutes were involved in the preparation of this standard. The EN 1822 standard series "High efficiency air filters (EPA, HEPA and ULPA)" deals with the performance testing of efficient particulate air filters (EPA), high efficiency particulate air filters (HEPA) and ultra low penetration air filters (ULPA) at the manufacturer's site and consists of the following parts: Part 1: Classification, performance testing, marking Part 2: Aerosol production, measuring equipment, particle counting statistics Part 3: Testing flat sheet filter media Part 4: Determining leakage of filter elements (scan method) Part 5: Determining the efficiency of filter elements The standard is based on particle counting methods which most likely cover the requirements of different applications. The differences between this European Standard and the previous standard are as follows: * an alternative test method using a solid (instead of a liquid) test aerosol; * a method for testing and classification of filters made out of membrane type filter media; * a method for testing and classification of filters made out of synthetic fibre media; and * an alternative method for leak testing of group H filters with other than panel shape. Beside that, various editorial corrections have been implemented. As decided by CEN/TC 195, this standard is based on particle counting methods, which actually cover most requirements of different applications. The difference to previous standards lies in the technique used for the determination of the integral efficiency. Instead of mass relationships, the new technique is based on methods for particle counting at the most penetrating particle size (MPPS), which is for micro-glass filter mediums usually in the range of 0,12 µm to 0,25 µm. For membrane filter media, separate rules apply which are included in Annex A of EN 1822-5. This method also allows for testing ultra low penetration air filters. This was not possible with the previous test methods because of their inadequate sensitivity. DIN EN 1822-5 applies to efficient air filters (EPA), high efficiency air filters (HEPA) and ultra low penetration air filters (ULPA) used in the field of ventilation and air conditioning and for technical processes, for example, for applications in clean room technology or pharmaceutical industry. It specifies a procedure for the determination of the efficiency on the basis of a particulate counting method using a liquid test aerosol, and allows a standardized classification of these filters in terms of their efficiency. DIN EN 1822-5 deals with measuring the efficiency of filter elements, specifying the conditions and procedures for carrying out tests, describing a specimen test apparatus and its components, and including the method for evaluating test results.

 

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Released: 2011-01
DIN EN 1822-1
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
Schwebstofffilter (EPA, HEPA und ULPA) - Teil 1: Klassifikation, Leistungsprüfung, Kennzeichnung
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English
German