Smacna Duct Leak Test Manual

Smacna first published a procedure for leakage testing of so called medium and high pressure ductwork since january 1965. 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.

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