Smacna Hvac Duct Construction Standards Pdf

2 500 pa w g.

Smacna hvac duct construction standards pdf.

For all other ducts of any application. Smacna cad standard second edition v notice to users of this publication 1. Howard iii sheet metal and air conditioning contractors national association. 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.

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. Ansi smacna 006 2006 hvac duct construction standards eli p. For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g.

The results of these certified tests which permit the variation are shown on the back page of this manual. Disclaimer of warranties a the sheet metal and air conditioning contractor s national association smacna provides its product for informational. The smacna hvac duct construction standards 2nd ed 1995 and therefore both options have been shown. This technical paper reviews the hvac duct construction standards 2nd edition 1995 specifications and requirements for zinc coating on galvanized steel ducts.

Also both options have been shown so as to provide this manual as a quick reference to smacna standards. Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible.