Revised Standard EN1822 - practical consequences:

The revised version of the EN1822:2008 was accepted. Now it must be implemented into national Standards.
This standard concerns EPA/HEPA/ULPA filters.

The end user will realize this change when they see the new names for the filter classes E10, E11 and E12. This is a new group named EPA Filters –Efficiency Particulate Air filters. (old names H10, H11, h12)

Planners, plant manufacturers and service companies must implement this modifications in in the tender texts, labeling of air handling units, documentation, maintenance books…

filtex® is testing in conformity of the new standard. Product coding is corresponding.

Following changes to the old standard EN1822-1:1998-7:

• Alternative test procedure – solid instead of liquid test aerosol (for leak test in case when DEHS test is critical for the application)
•  Test procedure for classifying filters with membrane medium
• Test procedure for classifying filters with synthetic medium (unloaded)
•  New group "E" EPA Filters –Efficiency Particulate Air filters (single tests not necessary)
• Alternative test procedure for leak tests of filters of group “H”. When the standard scan test is not practical.   

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