NBN EN 12237 : 2003
Current
The latest, up-to-date edition.
VENTILATION FOR BUILDINGS - DUCTWORK - STRENGTH AND LEAKAGE OF CIRCULAR SHEET METAL DUCTS
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Classification
5 Requirements
5.1 Leakage
5.2 Strength
6 Test rig specification
7 Test procedure strength and leakage
7.1 Test sample
7.2 Test method
7.3 Correction of leakage test result
8 Test report
Annex A (informative) Recommended procedure if the permitted
air leakage rate is exceeded when testing a specific
installation
Bibliography
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