Smacna Hvac Duct Construction Standards

Also both options have been shown so as to provide this manual as a quick reference to smacna standards.

Smacna hvac duct construction standards.

Hvac duct construction standards metal and flexible third edition iii foreword this third edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. This is the final session in a three part series. 3 31 2016 12 13 19 pm. For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g.

The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Hvac duct construction standards metal and flexible dec 11 2017 16 26 pm hvac air duct leakage test manual dec 11 2017 12 12 pm. Webinars hvac duct construction standards 103 round and oval duct hangers and casing construction. A quick overview of the changes is provided in the front of this manual.

If the designer does not designate pressure class for duct construction on the contract drawings the basis of compliance with the smacna hvac duct construction standards is as follows. The results of these certified tests which permit the variation are shown on the back page of this manual. The research also led to the development of the smacna hvac air duct leakage test manual 1st edition. Located in headquarters outside washington d c the sheet metal and air conditioning contractors national association smacna an international association of union contractors has 1 834 members in 103 chapters throughout the united states canada australia and brazil.

1966 3 rd edition 2005 396 pages. The smacna hvac duct construction standards 2nd ed 1995 and therefore both options have been shown. Hvac duct construction standards eli p. This edition improves upon the second edition with expanded pressure class tables.

Event objectives gain solid understanding of how to construct duct in a resource efficient and sustainable manner that is compliant with smacna s hvac duct construction standard. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. Howard iii sheet metal and air conditioning contractors national association. 2 500 pa w g.

2 hvac duct construction standards metal and flexible 1st edition 1985 hvac duct construction standard metal and flexible 2nd edition 1995 and the current smacna duct construction standard hvac duct construction standards metal and flexible 3rd edition 2005. Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible. Smacna bubble dvd destroys design myths jan 2 2018 11 37 am duct system calculator metric.