SQUARE &  RECTANGULAR LOUVRE FACED DIFFUSERS (SQD) are suitable for supply air ceiling application where air is to be introduced with the maximum diffusion and minimum disturbance. The core, available to give 1,2,,3 or 4 way throw patterns is adjustable to give horizontal or vertical discharge, and is removable. The SQD can be supplied with Opposed Blade Dampers (OBD), Equalising Grids (EQD), Plenum Boxes (PLB) and Adaptor Boxes (ADB). SQD diffusers are manufactured from extruded aluminium sections, the mitred corners being fully welded and linished.

Finally they are stove enamelled silver 'Analum' as standard. Other finishes are available.

Horizontal Projection Vertical Projection

A. NOMINAL DUCT SIZE 150 225 300 375 450 525 600 B. CEILING OPENING SIZE 240 315 390 465 540 615 690 C. OVERALL FLANGE SIZE 295 370 445 520 595 670 745

Fixing Methods FMF - Screw Fixing through neck (standard). FMG - Angle brackets for support by rods or wires.

Louvre Faced Diffusers (SQD
Performance Data 2