Duct Leakage Test Manual

The hvac air duct leakage test manual has been incorporated by reference and is legally mandated by the united states in title 10 of the code of federal regulations section 434 403 2 9 3.

Duct leakage test manual.

If field leak tests are required appr opriate test pressure and clear scope of testing must be specified. 7 4 duct leakage reporting procedure. This american national standard ansi smacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. 7 1 duct leakage test report details.

6 1 duct leakage testing apparatus. C 1 leakage rate. B 1 sample leakage analysis. Duct liner metal nosing shall be used on leading edges of each piece of lined duct when the velocity exceeds 4000 fpm.

Smacna first published a procedure for leakage testing of so called medium and high pressure ductwork since january 1965. P the static pressure of the test. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition 1985 and the leakage class followed by the smacna hvac air duct leakage test manual 2nd edition 2012. 1972 2 nd edition 2012 122 pages.

Cl f p0 65 equation 4 5 where. Hvac air duct leakage test manual order no. Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual. F the measured leakage rate in cfm per 100 square feet of duct surface.

Duct leakage class consult the hvac air duct leakage test manual and select appropriate allowable leakage. Where no specific duct pressure class designations are provided byclass designations are provided by the designer the 1 water gage pressure class is the basis of. B 2 system leakage classification analysis. Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna.

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. Chapter 7 test reports. This american national standard ansi smacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. Hvac air duct leakage test manualwith the rate of air leakage cl less than or equal to 6 0 as determined in accordance with equation 4 5.

If specimen fails to meet allotted leakage level the contractor shall modify to bring it into compliance and shall retest it until acceptable leakage is demonstrated.