26 gauge is use for the duct size below 300 mm 12 and thickness 0 5 mm.
Sheet metal smacna duct gauge chart.
Sheet metal fits all green building materials measures especially recycled content.
Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more.
Sheet metal as an architectural.
Low and medium velocity duct system.
The research also led to the development of the smacna hvac air duct leakage test manual 1st edition.
Howard iii sheet metal and air conditioning contractors national association.
Ductwork seal classes ductwork prone to air leakages.
May 5th 2018 sheet metal gauges used in ductwork sheet metal gauge sheet thickness inches welded ductwork 0 smacna 1 ductwork 16 0 0625 17 0 0560 18 hvac duct construction standards public resource org may 6th 2018 each size in a pressure class has a minimum duct wall thickness and a minimum the basis of compliance with the smacna hvac.
22 gauge for duct size up to 1200 mm 48 thickness 0 8 mm.
Ansi smacna 006 2006 hvac duct construction standards eli p.
Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible.
Click here to purchase the full version from the ansi store.
Smacna architectural sheet metal manual 7th edition.
Sheet metal and air conditioning contractors.
Ductwork support ductwork support and recommended.
Check with factory for availability of 72 in 26 gauge galvanized note.
Ansi smacna 006 2006 hvac duct construction standards metal and flexible sheet metal and air conditioning contractors national association inc.
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.
Metric conversion chart a 6 duct surface area in square feet per lineal foot.
A quick overview of the changes is provided in the front of this manual.
Metals adjacent in the galvanic chart indicate compatible metals.
Smacna testing and research institute verified that sheet metal connectors inc.
Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator.
Here are the few gauge system as per smacna standards.
Sheet metal connectors inc.
24 gauge is use for the duct size up to 750 mm 30 and thickness is 0 6 mm.
This second edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s.
