ISO 13351:2009 specifies the dimensions of the circular and rectangular flanges of general‑purpose fans, as well as the fan size designations. It is not applicable to cross‑flow fans or to fan appliances used for individual household or similar applications.
Revises
ISO 13351:2009
IN_DEVELOPMENT
ISO/CD 13351
30.60
Close of voting/ comment period
Jan 11, 2023
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