Supply Air Diffuser Sizing

Perforated ceiling diffusers p4w size 535x535 size 235x235 size 385x385 1 10 100 1 0 1 0 0 500 50 10 0 0 s t a t i c p r e s s u r e pa air flow l s 04 multi pattern ceiling diffusers ceiling diffusers ordering key.

Supply air diffuser sizing.

Overall size l 140mm n neck size l 10mm l listed size duct size false ceiling opening size l 80mm 33 5 50 35 33 two way throw 6 2. 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. Air conditioner diffuser sizing. Suitable for return air applications.

0 8 mys 150 fpm supply air jet reaches to within 1 4 m 4 5 ft of floor level. Use a round diffuser with overlapping stepdown rings with a butterfly damper. Air discharged by the supply outlet. The size of the aircon diffuser is the diameter of the neck to which the flexible.

This is commonly considered to be the air within an envelope of 50 fpm 0 25 m s or greater velocity. Perpendicular air flows nominal airflow. Choose the type and size that fits your ductwork. Curved blade ceiling sidewall registers and grilles have straight louvers to force the air straight into the space with no turning at all at the face.

Hart cooley 15 93 each add to cart. It can be used to direct air in multiple directions. The ceiling diffuser may be used as a supply air diffuser or as a return air diffuser according to the application designed. Fri oct 9 wed oct 14.

Diffusers are used as supply air outlets. Multi louver models control air volume. Supply air diffusers return air diffuser never do this. Acd1 d iso 9001 certified company.

A square diffuser provides high volume air diffusion. Diffusers may or may not have adjustable dampers or louvers. Iso 9001 certified company. This air provides the motive force for room air motion.

The diffuser shown above is a typical tiered acoustical ceiling 2 x2 lay in supply diffuser. 6 x 6 wall opening size white ceiling diffuser a501ms series 50700 6 x 6 wall opening size white ceiling diffuser a501ms series sku. Diffusers supply air square ceiling diffuser model. A diffuser airflow rate is 50 cfm per linear foot 77 4 l s per linear meter of.

Sidewall straight blade vs. Perforated diffusers feature a clean unbroken plane look and reduce noise in low volume air applications. 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. For lower velocity supply air e.

Floor supply of cool air and ceiling return provided that 1 0 the 0 8 mys 150 fpm supply jet reaches at least 1 4 m 4 5 ft above the floor.