Architectural Systems
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GDL is a privately owned manufacturer and supplier of a large range of louvre systems, air diffusers, grilles, natural ventilation systems, brise soleil and dampers.
7. Grilles
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GDL Articles
FIRE DAMPERS LOW – MEDIUM VELOCITY (DA8)
The fire damper is suitable for low-medium velocity systems as the blades remain partially within the airstream.
FIRE DAMPERS LOW – MEDIUM VELOCITY (D15)
Our range of fire dampers are designed to stop the spread of fire through ductwork, walls, floors and ceilings.
LIGHTWEIGHT PRESSURE RELIEF UNIT
For low pressure relief application, typically 5-75 pa. Used for room to room pressure control or a basic non-return valve.


