Description
A complete range of products designed to be installed in various ceiling systems. Most diffusers are made from aluminium, and can be ordered with or without plenum chambers for easy connection to duct work. Diffusers can be ordered in customer specified (PPM/G) colours; standard colour is PPM 9010 (20% gloss white).
This range is complemented by the Aircell range of polymer Grilles and Diffusers.
Symbols Used
T Maximum Throw 50mm from the ceiling (for air velocity of 0.1m/s) in isothermal conditions (unless otherwise stated)[m]
ToMaximum Throw (for air velocity of 0.15 m/s) in occupied zone in isothermal conditions (unless otherwise stated) [m]
vt Terminal Velocity [m/s]
v Air Velocity 25 mm from the grille face [m/s]
LpNR level is Peak Level on NR curves based on SWL ref 10-12 W less 8dB Room Absorbtion [dB]
LwUncorrected sound level [dB]
qv Air Volume [l/s] or [m3/h]
PsStatic Pressure [Pa]
W Width [mm]
H Height [mm] |
Grilles & Diffusers
