Supply Air Diffuser Sizing

The size of the aircon diffuser is the diameter of the neck to which the flexible.

Supply air diffuser sizing.

Use a round diffuser with overlapping stepdown rings with a butterfly damper. The ceiling diffuser may be used as a supply air diffuser or as a return air diffuser according to the application designed. 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. 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.

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. This air provides the motive force for room air motion. For lower velocity supply air e. 0 8 mys 150 fpm supply air jet reaches to within 1 4 m 4 5 ft of floor level.

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. Supply air diffusers return air diffuser never do this. Air discharged by the supply outlet. Choose the type and size that fits your ductwork.

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. Diffusers may or may not have adjustable dampers or louvers. Fri oct 9 wed oct 14. Hart cooley 15 93 each add to cart.

Perforated diffusers feature a clean unbroken plane look and reduce noise in low volume air applications. 6 x 6 wall opening size white ceiling diffuser a501ms series 50700 6 x 6 wall opening size white ceiling diffuser a501ms series sku. Most underfloor air distri bution systems comply with this proviso. Multi louver models control air volume.

It can be used to direct air in multiple directions. Perpendicular air flows nominal airflow. Diffusers supply air square ceiling diffuser model. Air conditioner diffuser sizing.

A diffuser airflow rate is 50 cfm per linear foot 77 4 l s per linear meter of. 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. Iso 9001 certified company.

The diffuser shown above is a typical tiered acoustical ceiling 2 x2 lay in supply diffuser. Sidewall straight blade vs. Suitable for return air applications. Acd1 d iso 9001 certified company.

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.