With 550f 130c supply air it only takes about 0 6 cfm ft2 3 l s per changes in interior loads.
Supply air diffuser cfm.
Louvered type core is fixedto the frame with aluminium pins loaded with steel springs.
In hvac systems the air supply diffuser is a device that delivers and ventilates conditioned air in an area mixes indoor air and manages air output.
The first driver for change concerns new building codes and regulations.
Throw is defined as the horizontal distance from a diffuser at a specified velocity.
Core can be easily removable and interchangeable to allow for maximum flexibilityin.
Direction of supply air.
Slot diffusers 7 1 supply air linear slot diffuser asld 3 7 2 return linear slot diffusers arld 4 7 3 slot diffuser dimensions 5 7 3 possible air deliveries 5 7 4 curved supply linear slot diffusers asld c 6 7 5 optional mitered corners 7 7 5 flange models 7 7 6 optional profiles 8 7 6 fixing details 8 7 21 product summary and order checklist 23 7 16 linear slot.
Using the table above this corresponds to a maximum airflow somewhere between 85 and 95 cfm.
Nominal sizes 12 16 20 24 25 33 in.
Perforated return diffuser aluminum face with steel backpan.
This new ventilation rate procedure contains two tables.
Standard 4 way blow diffuser.
Direction of return air.
Combination smoke and fire damper.
For supply and extract air.
Ashrae approved addendum n to ansi ashrae standard 62 ventilation for acceptable indoor air quality.
Acd3 d ceiling diffuser description.
Steel perforated supply diffuser with neck mounted curved blade pattern controllers for drop face ceilings.
Steel perforated modular core diffuser.
Diffusers supply air square model.
It works by reducing the air duct velocity by increasing the static pressure.
For example t50 15 indicates that at a distance of 15 from the diffuser the velocity of the air will be 50 feet per minute.
The alnor model 6000p with 6070p probe can be used with the same ak factors.
Place the alnor jet into the correct louvered space as shown in the sketches below.
Aluminum flush face perforated neck mounted curved blade deflectors.
For variable and constant volume flows.
What is a supply diffuser.
Volume flow rate range 14 998 cfm.
Cfm vk x ak the alnor velometer with the 2220 a jet is the recommended equipment for balancing asx stamped diffusers.
Circular and square ceiling swirl diffusers for high room air change rates.
Therefore the recommended flow to use when designing is 50 cfm linear ft x 0 8 40 cfm linear ft 77 4 l s linear m x 0 8 61 9 l s linear m.
Diffuser face made of galvanised sheet steel powder coated.
Door louver with clear area.
Return to glossary.
Aluminum face steel backpan perforated supply diffuser with face mounted deflectors.