Supply Air Diffuser Sizing

The diffuser shown above is a typical tiered acoustical ceiling 2 x2 lay in supply diffuser.

Supply air diffuser sizing. For lower velocity supply air e. Total air total air is defined as the mixture of primary air and entrained room air which is under the influence of supply outlet conditions. Diffusers are used as supply air outlets. Multi louver models control air volume.

0 8 mys 150 fpm supply air jet reaches to within 1 4 m 4 5 ft of floor level. 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. Air conditioner diffuser sizing.

Use a round diffuser with overlapping stepdown rings with a butterfly damper. Fri oct 9 wed oct 14. The ceiling diffuser may be used as a supply air diffuser or as a return air diffuser according to the application designed. 6 x 6 wall opening size white ceiling diffuser a501ms series 50700 6 x 6 wall opening size white ceiling diffuser a501ms series sku.

This is commonly considered to be the air within an envelope of 50 fpm 0 25 m s or greater velocity. A square diffuser provides high volume air diffusion. Diffusers may or may not have adjustable dampers or louvers. This air provides the motive force for room air motion.

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. Most underfloor air distri bution systems comply with this proviso. Air discharged by the supply outlet. This special shape makes it easy for builders to fit the air con diffuser into a tight space and helps to conceal the diffuser from view for a more aesthetically pleasing design.

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. Perpendicular air flows nominal airflow. 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. Choose the type and size that fits your ductwork.

Acd1 d iso 9001 certified company. Diffusers supply air square ceiling diffuser model. It can be used to direct air in multiple directions. Suitable for return air applications.

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. Iso 9001 certified company. Perforated diffusers feature a clean unbroken plane look and reduce noise in low volume air applications. The size of the aircon diffuser is the diameter of the neck to which the flexible.

Supply air diffusers return air diffuser never do this.