Hvac Duct Construction Standards
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This is the final session in a three part series.
Hvac duct construction standards. 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 third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. 2 500 pa w g.
The third edition of the hvac duct construction standards metal and flexible is intended primarily for commercial and institutional duct construction. The standard 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. This edition improves upon the second edition with expanded pressure class tables.
Webinars hvac duct construction standards 103 round and oval duct hangers and casing construction. Information required for duct construction 1. Hvac duct construction standards metal and flexible. A comprehensive duct layout indicating sizes design airflows pressure class and routing of the duct system.
For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures. For all other ducts of any application. 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. 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. Information required for duct construction. The types of fittings to be used based on the designer s calculations of fitting.
A quick overview of the changes is provided in the front of this manual.