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EN ISO 11691:2009 Standard

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  Keywords:

#well #duct #elements #use #ventilating

  Directive

Machinery (MD) Directive (2006/42/EC)

  Last Official Journal reference

Monday 7th of September 2026

  Description:

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)

  Purpose

This International Standard specifies a laboratory sub- stitution method to determine the insertion loss without flow of ducted, mainly absorbent, circular and rectangular silencers, as well as other duct elements for use in ventilating and air-conditioning systems.

  Publication

Friday 18th of December 2009

  Cessation

This standard will be withdrawn on 2027-01-20

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