It calculates duct surface area measured system leakage rate and pass fail criteria.
Smacna duct leakage test form.
Hvac duct air leakage oct 10 2019 in a recent article which was published in rses journal smacna s senior project manager pat brooks pe discusses the history of duct air leak testing and describes proper techniques and practical applications when leak testing is performed in accordance with smacna standards.
Resource hvac air duct leakage.
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Use this adobe pdf form for calculating allowable leakage cfm based on percent allowable input.
News smacna s technical roadshow goes to hawaii.
Hvac air duct leakage this article discusses the history of duct air leak testing and describes proper techniques and practical application when leak testing is performed in accordance with the sheet metal and air conditioning contractors national association smacna standards.
Example blank form duct leakage test form customer information.
Figure 5 1l from the 2012 smacna hvac air duct leakage test manual shows the allowable leakage as a function of duct leakage classification and static pressure in the duct.
When the designer has only required leakage tests to be conducted in accordance with the smacna hvac air duct leakage test manual for verification that the leakage classifications in table 1 have been met and has given no other criteria and scope he is deemed to have not fulfilled the responsibilities outlined in section 2 1 for providing a.
This article discusses the history of duct air leak testing and describes proper techniques and practical application when leak testing is performed in accordance with the sheet metal and air conditioning contractors national association smacna standards.
Download the android app here.
Instructions click here save download the file open using adobe reader enter your orifice plate data using your calibration certificates.
Us duct leakage testing ri trequirements smacna duct class 1 2 inwg 3 inwg 4 6 10 inwg seal class cb a sli t transverse joints seams sealing applicable ransverse joints only asvese joints and seams jo s sea s and all wall penetrations leakage class c l cfm leakage per 100 ft2 1 in h 2 o rectangular metal 24 12 6 round.
Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required.
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.