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SMACNA - HVAC AIR DUC LEAK TST MAN - HVAC AIR DUCT LEAKAGE TEST MANUAL - FIRST EDITION; 7TH PRINTING: JANUARY 2003 Organization: SMACNA
Date: 1985-01-01
Description: The surface area basis highlights the effect of system size and is now the keynote of new SMACNA duct leakage classifications. It is expected that in the future industry will have correlated leakage classes with performance of particular sealant methods used on individual joint systems.
ASHRAE - AB-10-003 - FLAT OVAL DUCT LEAKAGE CLASS MEASUREMENT Organization: ASHRAE
Date: 2010-01-01
Description: INTRODUCTION Unsealed duct leakage depends on the machinery used for its fabrication, material thickness, assembly methods employed, and workmanship during installation. Duct leakage tests by ASHRAE/SMACNA/TIMA (1985) and Swim and Griggs (1995) have verified that a power law relation can represent the duct leakage from longitudinal seams and transverse joints of assembled duct sections.
VA 23 31 00 - HVAC DUCTS AND CASINGS Organization: VA
Date: 2011-04-01
Description: Duct Pressure Classification: SMACNA HVAC Duct Construction Standards, Metal and Flexible. 4. Exposed Duct: Exposed to view in a finished room, // exposed to weather.
UL 1382 OUTLINE - OUTLINE OF INVESTIGATION FOR SHEET METAL AIR DUCTS WITH SEALED JOINTS - ISSUE 1 Organization: UL
Date: 2016-04-25
Description: ., (including rigid fiberglass ducts, flexible wire helix ducts, or spirally wound metal ducts not conforming to SMACNA requirements).
VA - FED H-08-1 SEC 15840 - DUCTWORK AND ACCESSORIES Organization: VA
Date: 2004-10-01
Description: Duct Pressure Classification: SMACNA HVAC Duct Construction Standards, Metal and Flexible.4. Exposed Duct: Exposed to view in a finished room, exposed to weather.

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