Product Description
Our range of Perforated Grilles (PPG) are suitable for extract air in both sidewall and ceiling applications. The Perforated Grille consist of a 50% free perforated sheet mounted in an aluminium frame.
Perforated Grilles are available with a range of custom options which include:
- Opposed Blade Damper (OB)
- Hinged Core (HC)
- Core Only (CO)
- Filter Frame
Our perforated grille frames are manufactured from extruded aluminium sections with fully welded and linished mitred corners.
Standard finish is RAL9010 or polyester powder coated to the customers colour requirement.
| PERFORATED GRILLE (DIFFUSER) | |
|---|---|
| Series | PPG |
| Core | S - Standard CO - Core Only HC - Hinged Core |
| Access | OB - Opposed Blade Damper N - Non Vision Plate FM - Filter Media (TBA) 0 - Not Applicable |
| Fixing | F0 - No fixings F1 - CSK Flange Fixing Holes F2 - Spring Clip F4 - Rear Strap F5 - Rear Strap & Bracket F6 - Goal Post Bracket |
| Finish | 1 - (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 |
| Example: PPG/S/S/OB/F1/3/Nominal Opening Size | |
PERFORATED GRILLE 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.
| PERFORATED GRILLE PLENUM | |
|---|---|
| Type | PBU - Un-Lined Side Entry PBL - Lined Side Entry PBA - Adaptor Top Entry |
| Series | PPG |
| Mesh | P - Perforated Equalising Mesh 0 - No Equalising Mesh |
| Damper | LS - Lever Spigot Damper CS - Cord Spigot Damper 0 - No Damper |
| Spigot | OP - 2 Opposite Spigots AD - 2 Adjacent Spigots FL - Flat Oval Spigot |
| Finish | IN - Black Internal EX - Black External IE - Black Internal & External |
| Example: PBL/PPG/0/0/Nominal Size/Spigot Size | |
