Smacna Hvac Air Duct Leakage Test Manual

Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0 75 kpa and all ductwork located outdoors shall be leak tested according to the ansi smacna hvac air duct leakage test manual. Representative sections totaling no less than 25. 1972 2nd edition 2012 122 pages.

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