Supply Air Diffuser Cfm

These linear slot diffusers feature fully adjustable aerodynamic pattern controllers fabricated from extruded aluminum and are available in a large selection of frame styles.

Supply air diffuser cfm.

The location is a ceiling and a circular or 4 way pattern is required. A diffuser airflow rate is 50 cfm per linear foot 77 4 l s per linear meter of. Use the calculator below to quickly and easily determine the grille airflow. Air flow calculator linear bar grilles.

A circular ceiling diffuser such as our 16 is one possible. The acceptable cfm airflow from the supply air diffuser depends on the throw and the noise of the supply air diffuser. Combination supply return plenum slot diffuser 3 4 slot fixed blade slot with down blow section 2 return slot tbdi 80 adjustable gasket tipped blade plenum slot diffuser. If you start by using 100 of the nominal airflow you will end up with high losses in performance acoustical problems and very little or no design flexibility.

If one enters the chart at 1 cfm ft2 5 l s per m2 as is a typical interior air design airflow rate one can see that the optimum half diffuser spacing would be about 10 ft at 350 cfm 3 m at 165 vs. Supply air diffusers return air diffuser never do this. Ceiling diffuser for this initial discussion of sizing a supply register or diffuser we will narrow the selection criteria to only cfm face velocity and throw which will minimize unnecessary complications. Other factors that determine the cfm include the type of supply air diffuser you are using.

The tms is a square ceiling diffuser that delivers supply air in a true 360º pattern with low pressure drop. Using this as a given the lowest airflow rate. 6 15 diffuser accessories 18 air flow data supply air square ceiling diffusers 6 16 one way throw 19 6 17 two way throw 20 6 18 three way throw 21 6 19 four way throw 23 return air square ceiling diffusers 6 20 one way 24 6 21 two way 25 6 22 three way 26 6 23 four way 27 6 0. Figure i shows the performance of such a diffuser.

The uniform nearly horizontal jet from the outer cone maintains effective room air distribution even when the air volume varies over a considerable range. Inches please fill in either cfm cubic feet per minute value or fpm feet per minute value. The sds linear slot diffuser is designed to satisfy architectural applications that require continuous lengths without compromising air distribution performance. Perpendicular air flows nominal airflow.

However the cfm ranges between 2 0 and 3 5 m s.