Smacna Hvac Duct Construction Standards

The research also led to the development of the smacna hvac air duct leakage test manual 1st edition.

Smacna hvac duct construction standards.

The results of these certified tests which permit the variation are shown on the back page of this manual. 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 edition improves upon the second edition with expanded pressure class tables. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction.

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 smacna hvac duct construction standards 2nd ed 1995 and therefore both options have been shown. Also both options have been shown so as to provide this manual as a quick reference to smacna standards. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures.

Smacna bubble dvd destroys design myths jan 2 2018 11 37 am duct system calculator metric. For all other ducts of any application. This is the final session in a three part series. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures.

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. 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. 3 31 2016 12 13 19 pm.

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. For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g. 1966 3 rd edition 2005 396 pages. A quick overview of the changes is provided in the front of this manual.

Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible. Webinars hvac duct construction standards 103 round and oval duct hangers and casing construction. Hvac duct construction standards eli p.