Page 21 - Vira Filter Digital Catalouge
P. 21

AIR FILTERS

       INTERNATIONAL CLASSIFICATION

       STANDARDS





            EN 1822


                                                             Integral Value  Integral Value  Local Value of   Local Value of
                Group                 EN 1822                 of Efficiency   of Penetration   Efficiency in the  Penetration
                                                                                                    in the
                                                            in the MPPS in % in the MPPS in %  MPPS in %
                                                                                                   MPPS in %
                                   E10     MERV 16    600        >85         >15
                           E        E11      NA       600        >95         >5
                                   E12       NA       600       >99.5        >0.5
                                   H13       NA       600       >99.95      >0.05       >99.75       >0.25
                           H
              Suspented
                                   H14       NA       600      >99.995      >0.005      >99.975     >0.025
                                   U15       NA       600      >99.9995     >0.0005     >99.9975    >0.0025
                           U       U16       NA       600     >99.99995    >0.00005    >99.99975   >0.00025
                                   U17       NA       600     >99.999995   >0.000005    >99.9999    >0.0001





        ABSOLUTE FILTERS




        Laminar Flow Absolute Filters (E10-E11-E12)                                                 21-25


        Laminar Flow Absolute Filters (H13-H14)                                                     26-30


        Turbulent Flow Absolute Filters (E10-E11-E12)                                               31-33

       Turbulent Flow Absolute Filters (H13-14)                                                     34-36



























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