Smacna Duct Leakage Test Manual

Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual. It appeared in chapter 10 of the high velocity later high pressure construction standards and in chapter 8 of the balancing and adjustment of air distribution systems manual of 1967 vintage. Smacna first published a procedure for leakage testing of so called medium and high pressure ductwork since january 1965.

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