Do linear diffusers have dampers?

Do linear diffusers have dampers?

Damper. Flow rate control damper placed at the inlet spigot of the linear diffuser, to enable adjustment of the required air flow rate.

How do you calculate CFM for a diffuser?

Measure air velocity at a minimum of two points along each active side of the diffuser to within 1½ inches of vane end, and find average value. 3. From Table select proper Ak factor size and model diffuser. Multiply the Ak factor by the average velocity to obtain volume of air (CFM) supplied through diffuser.

What are the dimensions of Linear slot diffusers?

Damper:Hit and miss damper. Slot width:20 mm as standard. 16 mm, 25 mm and non standard sizes available as option. Number of slots available:1, 2, 3, 4, 5, 6, 7, 8. Length: to 5.8 mt available in a single piece. Optional accessories:Plenum box either un lined, internally insulated or externally insulated.

Which is the best fire rated supply diffuser?

Nailor 7500-FRD Fire Rated Modular Core Diffusers feature four individual spring-loaded ‘modular’ pattern controllers mounted in the neck that can be adjusted for a 1, 2, 3 or 4-way discharge pattern after installation. Nailor 4110 Series Fire Rated Return Air Grilles have been designed to complement the Nailor range of fire rated supply diffusers.

What kind of plenum diffuser does Nailor use?

Nailor 5500 Series Fire Rated Plenum Slot Diffusers are designed for supply and return air lay-in T-Bar applications. The supply air models feature pattern controllers that are available in three performance styles and four slot widths, up to four parallel slots. The return models are designed to match the look of the supply air models.

What are the fire rated grilles on Nailor diffusers?

Fire Rated Ductless Return Grilles Nailor 4110 Series Fire Rated Return Air Grilles have been designed to complement the Nailor range of fire rated supply diffusers. The grilles have been tested and classified for use without the requirement of duct work or supplementary support, they simply lay in place. Fire Rated Ductless Filter Grilles