Hvac Duct Construction Standards

Information required for duct construction 1.

Hvac duct construction standards.

A comprehensive duct layout indicating sizes design airflows pressure class and routing of the duct system. 2 500 pa w g. Information required for duct construction. 1966 3 rd edition 2005 396 pages.

This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures. The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. 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. The standard contains tables and details for constructing ductwork for to 10 wg positive and negative pressures.

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. This edition improves upon the second edition with expanded pressure class tables. For all other ducts of any application.

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. Hvac duct construction standards metal and flexible. A comprehensive duct layout indicating sizes design airflows pressure class and routing of the duct system. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures.

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. The types of fittings to be used based on the designer s calculations of fitting losses i e square versus 45 entry taps conical versus straight taps etc. 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. This is the final session in a three part series.

The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction.