Air Distribution Solutions - Grilles, Diffusers, Louvres and Dampers

Gilberts ( Blackpool) Limited has for a long time been one of the UKs most respected and trusted manufacturers of Grilles, Diffusers, Louvres and Smoke/Fire Dampers for the heating, ventilating and air conditioning industry. With their pure and hybrid natural ventilation range Gilberts have established themselves as one of the market leaders in natural ventilation in the UK.

Gilberts (Blackpool) Ltd was originally established in 1961, by the present Chairman, Mr. GG Haslam. Gilberts started life as a manufacturer of Domestic Warm Air Heating Grilles but quickly added commercial aluminium Grilles, Diffusers and Louvres followed by Smoke/Fire Dampers, and then most recently Natural Ventilation Systems.
 

Visit the Gilberts website  Gilberts : Smoke & Fire Control   Gilberts : Natural Ventilation
 

Today, Gilberts are a multi-product company whose key ranges cover:

  • Grilles & Diffusers

  • Smoke, Fire and Volume Control Dampers

  • External and Architectural Louvres

  • Domestic Warm Air Grilles

  • Natural Ventilation Systems

Gilberts (Blackpool) Ltd have built their reputation on providing an extensive range of attractively styled and well engineered products at competitive prices.  Their range  includes both traditional products and innovative leading edge designs to provide attractive well engineered solutions for modern building services systems.

Gilbert’s  Air Movement Laboratory and latest CFD modelling facilities are also available to help test, prove and solve new or challenging designs, concepts or ideas.

Quick Grille Selector

Further to requests from our customers we have added our Quick Grille Selector Table below in order to make your life easier and save you time.

You can download a pdf version of this if you wish or use the table below and bookmark this page for future use.

The selections have been made to keep pressure drops and noise generated at the Air terminal Device low. All noise ratings are below NR35.

If pressure drop, noise rating or throw are critical please refer to the individual data sheets or speak to our technical sales team on 0191 461 0077.

The selections within this table are applicable to Gilberts products only and should not be used to select other manufacturers products.

 

Volume l/s Spigot Dia (mm) GECA Eggcrate DG4A Diffuser GHV Double Deflection NV3 Non-Vision WGF- 38 Louvres
             
0-24 100 150x150 150x150 150x150 200x200 150x150
25-54 150 200x200 150x150 150x150 200x200 200x200
55-75 200 250x250 225x225 200x200 300x200 200x200
76-100 200 250x250 225x225 200x200 300x300 250x250
101-125 225 250x250 225x225 250x250 300x300 250x250
126-150 250 300x300 300x300 250x250 400x400 300x300
151-225 300/315 350x350 300x300 300x300 450x450 400x400
226-300 350 400x400 375x375 350x350 500x500 400x400
301-400 400 450x450 450x450 400x400 600x450 500x500
401-500 450 500x500 450x450 450x450 / 500x500
501-600 500 550x550 / 500x500 / 600x600