Sheet Metal Smacna Duct Gauge Chart

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.

Sheet metal smacna duct gauge chart.

Sheet metal connectors inc. Sheet metal gauge size chart gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet. Ductwork seal classes ductwork prone to air leakages. Click here to purchase the full version from the ansi store.

Is proud to be a member or affiliated with the following. All duct stiffened by machine formed beads spaced at 12 o c. A quick overview of the changes is provided in the front of this manual. Replaced in a 1900 renovation.

Ansi smacna 006 2006 hvac duct construction standards metal and flexible sheet metal and air conditioning contractors national association inc. Duct fabricated using pittsburg seams. Here are the few gauge system as per smacna standards. Smacna testing and research institute verified that sheet metal connectors inc.

This second edition of the smacna commercial metal and flexible duct construction standards is another in a long line dating from the 1950s. Howard iii sheet metal and air conditioning contractors national association. Low and medium velocity duct system. Tdc duct constructed per smacna standards first edition 1995 2.

As per smacna the gauges of ducting sheet varies and depends upon the width of the duct and type of application of a particular project. Ansi smacna 006 2006 hvac duct construction standards eli p. Sheet metal standards duct guage and enforcing for 1 ess drive gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint joint construction. Documents preceding 3rd edition hvac dcs hvac duct construction standards metal and flexible.

Shop standards comply with the 2005 3rd edition of the smacna hvac duct construction standards. Ductwork support ductwork support and recommended. Metric conversion chart a 6 duct surface area in square feet per lineal foot. History of architectural metals first used by the ship building industry lead used in the 1500s with rolled copper use starting in late 1600s new york city hall used copper for roofing circa 1764 a copper roof was used on the rebuilt old senate chamber in 1819.

Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more. 26 gauge is use for the duct size below 300 mm 12 and thickness 0 5 mm.