Leakage test procedures shall follow the outlines and classifications in the smacna hvac duct leakage test manual.
Duct leakage test manual.
Duct liner metal nosing shall be used on leading edges of each piece of lined duct when the velocity exceeds 4000 fpm.
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.
B 1 sample leakage analysis.
7 4 duct leakage reporting procedure.
B 2 system leakage classification analysis.
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.
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.
Duct leakage class consult the hvac air duct leakage test manual and select appropriate allowable leakage.
Cl f p0 65 equation 4 5 where.
Quote fromquote from hvac air duct leakage testhvac air duct leakage test manual smacna.
F the measured leakage rate in cfm per 100 square feet of duct surface.
Hvac air duct leakage test manual order no.
7 1 duct leakage test report details.
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.
6 1 duct leakage testing apparatus.
If field leak tests are required appr opriate test pressure and clear scope of testing must be specified.
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.
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.
Chapter 7 test reports.
With better sealing methods developed the 2012 edition of the hvac air duct leakage manual.
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.
Includes a new educational chapter.
C 1 leakage rate.
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.
