Air Duct Sheet Metal Thickness
1 psi equals 27 7 inches of water gauge.
Air duct sheet metal thickness. Suburban sheet metal ltd mailing address p o. These codes declare the minimum allowable thickness for ventilation ductwork sheet metal across various sizes shapes and raw. Corners sealed or whole joint sealed corners frame and seams longitudinal seams folded end connection with frame. We supply entire range of rectangular round and spiral ductwork for the hvac projects.
Ductwork support ductwork support and recommended. It maintains the most efficient characteristics for airflow and is common throughout the country. Our computerized state of the art sheet metal duct manufacturing facility has the capability of producing over 20 000 sq ft. Box 739 kennedale tx 76060 physical address 528 s.
Leaf foil very thin 0 4 mm to 6 mm sheet metal and greater than 6 mm stock plate. It depends on what your dimensions are for said ductwork and also what w g. Duct manufacturers in uae. Of ducting per day.
Ordinary heating ventilating and air conditioning duct systems read air pressures at 0 4 psi or less often much less. An air duct dimensions 800x600 has thickness of 0 75 mm if it is made of galvanized steel sheet. Sheet metal ducts and fittings with rectangular cross section similar to en 1505 1507 and din 18379 folded sheet metal ducts and fittings made of aluminium almg3 sheet thickness 1 0 mm and 1 2 mm. Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator.
Hvac systems dictate specific industry standards of thickness for various parts of the ductwork but the majority of dictates fall into the 6 mm range. What thickness would it have if it is made of aluminium sheet. A common duct pressure of 0 25 inches water column is equal to 0 25 divided by 27 7 in wc psi 0 009 psi. Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more.
Ductwork seal classes ductwork prone to air leakages. The sheet metal and air conditioning contractors national association smacna is an international trade association that establishes the industry standards for acceptable construction material criteria used in hvac. Duct system is pressurized by three pressures. Kennedale tx 76060 phone 817 478 0801 fax 817 483 6571 page 6 of 43 sheet metal standards duct guage and enforcing for 1 ess drive heavy ga metal gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint.
Sheet metal also comes in varying degrees of thickness.