BS EN ISO 13351:2009

Fans. Dimensions

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Standard number:	BS EN ISO 13351:2009
Pages:	22
Released:	2010-03-31
ISBN:	978 0 580 65054 3
Status:	Standard

DESCRIPTION

BS EN ISO 13351:2009

This standard BS EN ISO 13351:2009 Fans. Dimensions is classified in these ICS categories:

23.120 Ventilators. Fans. Air-conditioners

This International Standard 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.

For circular flanges, it provides for three different flange series: one for light-duty casing thicknesses, another for medium-duty fans and the third for heavy-duty fans as used on sea-going vessels or in heavy industry.

In order not to restrict fan design unduly, only the pitch diameter, hole numbers and hole diameters are specified. Flange thickness, as well as internal and external flange diameters, may be chosen freely within the limits of good engineering practice.

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