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  • NF EN ISO 11691 : 2009

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    ACOUSTICS - MEASUREMENT OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT FLOW - LABORATORY SURVEY METHOD

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    Withdrawn date:  02-11-2021

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    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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    Abstract - (Show below) - (Hide below)

    Defines a laboratory substitution method for determination of insertion loss without flow of ducted, mostly absorbent, circular and rectangular silencers in addition to other duct elements to be used in ventilation and air-conditioning systems.

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    Development Note Indice de classement: S31-610. PR NF EN ISO 11691 June 2009. (06/2009)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Withdrawn
    Superseded By

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