NEN EN ISO 11691 : 2009
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ACOUSTICS - MEASUREMENT OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT FLOW - LABORATORY SURVEY METHOD
Published date
12-01-2013
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Defines a laboratory substitution 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. Applies to silencers where the design velocity does not exceed 15 m/s.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| SN EN ISO 11691 : 2010 | Identical |
| NF EN ISO 11691 : 2009 | Identical |
| I.S. EN ISO 11691:2009 | Identical |
| DIN EN ISO 11691:2010-01 | Identical |
| UNI EN ISO 11691 : 2009 | Identical |
| UNE-EN ISO 11691:2010 | Identical |
| EN ISO 11691:2009 | Identical |
| ISO 11691:1995 | Identical |
| BS EN ISO 11691:1997 | Identical |
| ONORM EN ISO 11691 : 2010 | Identical |
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