Hvac Air Duct Leakage Test Manual

Duct Leakage Testing Basic Procedure Energy Vanguard Construction Process New Home Builders Duct

Duct Leakage Testing Basic Procedure Energy Vanguard Construction Process New Home Builders Duct

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Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required.

Hvac air duct leakage test manual.

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. 1 blower with speed control vfd to generate range of pressure flowrange of pressure flow 2 flow measuring devices flow grid flow station high flow flow grid flow station high flow orifice plate low flow. The hvac air duct leakage test manual provides practical and detailed procedures for conducting leakage tests. 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.

Smacna first published a procedure for leakage testing of so called medium and high pressure ductwork since january 1965. 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. 1972 2 nd edition 2012 122 pages. 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.

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 manual order no. Ductwork that is designed to operate at static pressures in excess of 3 inches water column 0 75 kpa and all ductwork located outdoors shall be leak tested according to the ansi smacna hvac air duct leakage test manual. Hvac air duct leakage test manual rs 35 10 cfr 434 403 2 9 3 sheet metal and air conditioning contractors national association 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. Includes a new educational chapter. Apparent differences of about ten percent between fan delivery and sum of airflow measurements at terminals do not necessarily mean poor sealing and excess leakage. Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of.

Th is table is not an allowable leakage speciļ¬ cation but is often used as one.

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