EN ISO 13351:2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Industrial fans - Dimensions (ISO 13351:1996)
30-04-2009
22-10-2008
This European Standard specifies size designations for industrial fans and specifies dimensions for the circular and rectangular flanges ofgeneral purpose industrial fans as defined in 3.1.1. It does not apply to cross-flow fans, or fan appliances used for household or similarapplications.For circular flanges, this International Standard provides two different flange series, one for standard casing thicknesses and a second for heavy duty fans as used on board sea-going vessels or in heavy industry. In order not to restrict fan designs unduly, only the pitch diameter, hole numbers and hole diameters are standardized. Flange thickness as well as internal and external flange diameters can be chosen freely within the limits of good engineering practice.
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