Fixed Blade Return – FBR

Fixed Blade Return grilles suitable for extract/return air in sidewall applications.

Complete with 45° blades pitched 60% free area.

Standard flanges are 32mm although 19mm are available with alignment joints to give a continuous appearance.

Available with Opposed Blade Dampers, Plenum Boxes and Plaster Frame.

Full specification for ordering available in product data sheet below.

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Product Description

The FBR – Fixed Blade Return Grille is suitable for extract/return air in sidewall applications. They are complete with 45° blades pitched 60% free area. Standard flanges are 32mm although 19mm are available with alignment joints to give a continuous appearance.

Available with Opposed Blade Dampers, Plenum Boxes and Plaster Frame.

FBR Grilles are manufactured from extruded aluminium sections, the mitred corners being fully welded and linished.

Standard finish is RAL9010 or polyester powder coated to the customers colour requirement. Full ordering specifications and example Fixed Blade Return Grille ordering code below.

FIXED BLADE RETURN GRILLE (DIFFUSER)
Example: FBR/F/S/F1/3/Nominal Opening Size
SeriesFBR
CoreF - Fixed Core
R - Removable Core
FrameS - 32mm Frame (std)
N -19mm Frame
PF - Plaster Frame
JF - Joinery Frame
AccessOB - Opposed Blade Damper
0 - Not Applicable
FixingF0 - No fi xings
F1 - CSK Flange Fixing Holes
F2 - Spring Clip
F4 - Rear Strap
F5 - Rear Strap & Bracket
F6 - Goal Post Bracket
Finish1 - (Mill Finish)
2 - RAL9006 (Silver/Grey)
3 - RAL9010 (White)
4 - RAL9005 (Black)
5 - RAL9003 (White)
6 - RAL9016 (White),
7 - Other RAL/BS Code (additional costs may apply)
8 - Chrome Finish - Powder Coated
NotesFixed Blade Return Grilles can also be
manufactured from
various grades of Stainless Steel, please
contact Sales Office.

PLENUM BOXES

Plenum boxes are accessories for use with Grilles and Diffusers. They are designed to equalise the pressure profile within the box and hence provide an even velocity at the face of the Grille or Diffuser without the use of Equalising Grids.

FIXED BLADE RETURN GRILLE PLENUM
Example: PBL/FBR/CS/Nominal Size/Spigot Size
TypePBU - Un-Lined Side
PBL - Lined Side
PBA - Adaptor Top
SeriesFBR
MeshP - Perforated Equalising Mesh
0 - No Equalising Mesh
DamperLS - Lever Spigot Damper
CS - Cord Spigot Damper
0 - No Damper
SpigotOP - 2 Opposite Spigots
AD - 2 Adjacent Spigots
FL - Flat Oval Spigot
FinishIN - Black Internal
EX - Black External
IE - Black Internal & External