Duct Leakage Test Manual

Duct leakage class consult the hvac air duct leakage test manual and select appropriate allowable leakage.

Duct leakage test manual.

P the static pressure of the test. 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. 7 4 duct leakage reporting procedure. 6 1 duct leakage testing apparatus.

B 1 sample leakage analysis. Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna. 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. Cl f p0 65 equation 4 5 where.

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. Chapter 7 test reports. Hvac air duct leakage test manual order no. Contains updates to the expected leakage rates for ductwork constructed to the smacna hvac duct construction standards metal flexible duct leakage test procedures recommendations on use of leakage testing types of test apparatus and test setup and sample leakage analysis.

F the measured leakage rate in cfm per 100 square feet of duct surface. 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. 1972 2 nd edition 2012 122 pages. 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.

Smacna first published a procedure for leakage testing of so called medium and high pressure ductwork since january 1965. B 2 system leakage classification analysis. If field leak tests are required appr opriate test pressure and clear scope of testing must be specified. 7 1 duct leakage test report details.

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. 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. With better sealing methods developed the 2012 edition of the hvac air duct leakage manual. Duct liner metal nosing shall be used on leading edges of each piece of lined duct when the velocity exceeds 4000 fpm.

Includes a new educational chapter.