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BS EN ISO 16890-1 Air filters for general ventilation —. Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)

Source:
ISO
Committee:
MCE/21 - Filters for gases and liquids
Categories:
Ventilation and air-conditioning
Comment period start date:
Comment period end date:
Number of comments:
0

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Scope

This document specifies an efficiency classification system of air filters for general ventilation based upon particulate matter (PM). It also provides an overview of the test procedures, and specifies general requirements for assessing and marking the filters, as well as for documenting the test results. It is intended for use in conjunction with ISO 16890‑2, ISO 16890‑3 and ISO 16890‑4.

The test method described in this part of ISO 16890 is applicable for air flow rates between 0,25 m3/s (900 m3/h, 530 ft3/min) and 1,5 m3/s (5 400 m3/h, 3 178 ft3/min), referring to a test rig with a nominal face area of 610 mm × 610 mm (24 inch × 24 inch).

This document refers to particulate air filter elements for general ventilation having an ePM1 efficiency less than or equal to 99 % and an ePM10 efficiency greater than 20 % when tested as per the procedures defined in the ISO 16890 series.

NOTE The lower limit for this test procedure is set at a minimum ePM10 efficiency of 20 % since it is very difficult for a test filter element below this level to meet the statistical validity requirements of this procedure.

This document does not apply to filter elements used in portable room-air cleaners.

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