Our filters comply with en779, iso 16890 and ashrae 52. Should you require one or more of these tests, we can quote on a per application basis. These differences can and will have some impact on other ashrae standards, industry. Only available with carbon filters not available for residential use minimum efficiency reporting value merv rating chart 2018 air filters inccorporated. Comparative guide to norms for the classification of air filters description thick dust filters fine dust filters hepa ulpa en iso 16890 coarse epm1 epm2,5 epm10 epm1 epm2,5 epm10 epm1 epm2,5 epm10 epm1 epm2,5 epm10 epm1 epm2,5 epm10 40% 50% 60% 80% 7080% 80% 90% 80% 90% 95% en779. The filter test rig alf 114 has been developed especially for air filter testing according to standards iso 16890fdis, en 779. The guide below shows the new efficiency chart and. European efficiency classes are based on european standards en 779 and en 1882 3. Performance test of vbank filter device utilizing synthetic nanofiber. Filter test method comparison chart peregrine industries. Particularly affected are the filter types belonging to the groups g, m and f. Definition of filtration performance from en 779 to iso 16890.
The information presented is intended as a reference and is intended for comparison. Minimum efficiency reporting value merv ratings are based on the ashrae 52. So when it come to filter testing, the only methods that can be relied upon are the american standards ashrae 52. In the future, the new iso standard is intended to be the universally used method. The first change required the mandatory calculation of dust holding capacity and arrestance to be changed to the 52.
We have access to other testing services that cover en1822. Filter test method comparison chart newest usa particle size test in approximation with older test standard regular usa dust spot test european version pf regular dust spot test proposed new european particle size test ashrae 52. Ashrae 52 versus en 779 aerosol dust free 30day trial. Method of testing air cleaning devices used in general ventilation for removing particulate matter. With more than 57,000 members from over 2 nations, ashrae is a diverse organization. The filters in the supply air are used as first and second filter stages, either as complete filtration solutions for comfort applications or as prefilters for. Comparison of general ventilation air filter test standards paolo tronville and richard d.
Testing of air filter according to en7792002 lindbergs ventilation. Content description updated guidance for testing the removal efficiency of aircleaning devices now available. Comparative guide to norms for the classification of air. General air filter test system iso 16890, en 779 topas gmbh. The new filter standard iso 16890 in december 2016, the iso 16890 standard became effective in order to globally regulate the various standards such as en 779 or ashrae 52. Definition of filtration performance from en 779 to iso. Mechanical vs charged media there are major differences in the test and classification systems of standards and their revision ashrae 52.
Understanding merv october 2018 nafa users guide for ansiashrae standard 52. Of course, if you want to ensure that you are purchasing the world best air filters, then you must make sure that it has one of the logos below on the filter. Gaskets and loops gaskets, for side access systems or other applicationswhich require gaskets, and pocket support loops are availableon all dripak 2000 filters. Filter title text languages chinese danish dutch english finnish flemish french german italian norwegian polish russian slovak spanish swedish filter title text country australia austria belgium brazil canada china denmark finland. While none of these are as dramatic as the optional appendix j conditioning test, they all had a read more about ashrae 52.
Understanding merv nafa users guide to ansiashrae 52. We also maintain the high level of professionalism expected of nafa members. Minimum efficiency reporting value merv rating chart. It was developed by ashrae as a way to compare different filters.
Merv stands for minimum efficiency reporting value. We are proud members of the mechanical trade contractors of arizona. We have access to other testing services that cover en1822, en779, iso16890, ashrae 52. The test was carried out according to standard en 779. Method of testing general ventilation aircleaning devices for removal efficiency by particle size. Comparison of general ventilation air filter test standards paol o tronville and richard d.
However, there is no indication that this will be the case, a standard being of a voluntary nature. These air filtration test methods use similar equipment, but handle their respective data products very differently. Comparison of filter classes according en 779, en 1822 and. Topas can fall back to a longstanding expertise in the field of construction and installing of filter test systems since 1995 we have been developing, manufacturing, and installing particle filtration test rigs conforming to standards and. The latest edition of an ashrae standard may be purchased from the ashrae web site. This presentation dissects the major differences in the test methods and protocols of ashrae 52. Comfort not health intended to minimize adverse health effects not carbon dioxide concentration. Removal of ultrafine particles by intermediate air filters in ventilation. Finally, they recommended filters with ashrae dust spot efficiencies. The standard has changed since its inception, and its important to stay up to date on what is changing. Bag filters are the most common air filters in hvac systems for industrial use as well as for comfort applications. Efmpps with the en779 classification efficiency for particles of the size 0. Specific information on the contents of each addendum.
Group initial efficiency in pmx discharged efficiency pmx epm10. Filter efficiency guide 1 arrestance and dust spot efficiency ratings are based on the ashrae 52. Understanding merv october 2018 nafa users guide for ansi ashrae standard 52. Rehva journal 012017 definition of filtration performance.984 419 1058 186 95 148 1442 382 641 391 368 4 583 262 458 302 736 378 377 1096 626 463 60 840 735 352 1417 334 626 13 728 1052 828 20 325 1386 777 1243 1226 1293 688 879 231 1494 1369 1170