Smacna Hvac Duct Construction Standards Table 5 1

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.

Smacna hvac duct construction standards table 5 1.

1966 3 rd edition 2005 396 pages. For all other ducts of any application. A comprehensive duct layout indicating. 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 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. 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 ducts between the supply fan and variable volume control boxes and 1 250 pa w g. Figure 2 13 in hvac dcs use standard tables for sizes 120 in.

Information required for duct construction. Hvac duct construction standards metal and flexible. Duct over 120 inches. This american national standard ansi smacna 006 2006 contains tables and details for constructing ductwork for to 10 wg positive and negative pressures.

A quick overview of the changes is provided in the front of this manual. 2 500 pa w g. This edition improves upon the second edition with expanded pressure class tables. Duct over 120 inches.

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