Standard Rectangular Air Duct Sizes

Mm height mm 100.

Standard rectangular air duct sizes.

Larger volumes or higher static pressures should be dealt with on an individual job basis. Duct size chart calculate duct dimensions for both rectangular and round ducts. As well as in return air situations. Sheet metal connectors inc.

Rectangular duct and fittings are one part of our complete line of hvac products. Air volume equivalent round air volume cfm 4 6 8 10 12 duct inches cfm 50 6 x 4 550 75 6 x 4 675 100 8 x 4 6 x 6 6 100. Download free duct sizing chart pdf according to ashrae standard. Galvanized steel flat sheet can be cut to size for a tough hvac job that.

Commonly used rectangular duct sizes in air handling ventilation systems. Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators. It maintains the most efficient characteristics for airflow and is common throughout the country. Rectangular or square ducting comes in standard sizes ranging from 3 by 7 inches to 35 by 40 inches.

Smc tdc slip drive and raw sheet metal connectors inc. This equal friction method of duct sizing should be adequate for normal residential furnace heating and air conditioning applications. The master flow 36 in. Ducts are the conduits or passages used in heating ventilation and air conditioning hvac for delivering and removing air.

Half section rectangular duct model rd24x8x48 21 98 21 98. Master flow 24 in. Sizing is based on airflow needs per cubic foot per minute as well as velocity. The length of the rectangular duct size would range from 0 7mm to 0 9mm galvanised mild steel depending on size.

Duct work is otherwise called as duct system. All ductwork comes standard with stiffening beads. Smc manufactures coil line ductwork in 4 5 6 lengths. These duct chart are based on equal friction method with a friction loss value 0 1 inch 100ft.