Sheet metal and air conditioning contractors national association.

Smacna hvac air duct leakage test manual download pdf. Duct leakage class consult the hvacair duct leakage test manual and. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 075 kpa and all ductwork located outdoors shall be leaktested according to the ansismacna hvac air duct leakage test manual. Duct seal class ducts shall be sealed as specified in the hvacdcs. 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 21 for providing a.

Schedule the pressure classes here by fan system num ber or portion thereof if they are not shown on the drawings. 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 434403293. Contains updates to the expected leakage rates for ductwork constructed to the smacna hvac duct construction standardsmetal flexible duct leakage test procedures recommendations on use of leakage testing types. The hvac air duct leakage test manual has also been incorporated by reference and is required by law in title 19 new york.

This american national standard ansismacna 016 2012 covers revised leakage criteria and builds on the proven methods for testing ductwork for air leaks from the first edition. This american national standard ansismacna 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 manual author. Representative sections totaling no less than 25.

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 at 1 in h 2 o rectangular metal 24 12 6 round. Smacna hvac air duct leakage test manual to get started finding smacna hvac air duct leakage test manual you are right to find our website which has a comprehensive collection of books online. Hvac air duct leakage test manual rs 35 10 cfr 434403293 sheet metal and air conditioning contractors national association smacna approved. 1972 2 nd edition 2012 122 pages.

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