Fire damper springs, also known as constant force springs, are essential components used on both sides of a curtain fire damper. They ensure the damper opens and closes correctly in the event of smoke or fire, helping to contain hazards within the ductwork.
Sold in pairs, as we recommend replacing both springs at the same time for balanced performance and safety compliance.
We offer a large range of replacement fusible links which can be used in different ways in dampers, doors and vents. All of the common fusible links are in stock and for sale on this page - please enquire for other types if you cannot find them on our website.
Found in systems like fire doors, fire dampers, and sprinkler systems.
It’s a metal link engineered to melt at a certain temperature (e.g., 165°F or 74°C), releasing a latch, closing a door, or activating a sprinkler.
Common fire damper makes these are used on: BSB, HVC, NCA, Advanced Air & Action Air (Swegon) Chubb Fire, Flaktwoods, A1 Shutters, Lindab Fire Dampers, Wolseley UK, Fel Valves, Ascot Doors, Kidde Thorne, Dayton 2TGJ3 & Gilberts.
Curved access doors to suit circular ductwork. Used to access the insides of the ducting to reset fire dampers or to clean. A sandwich type effect that clamps the opening with a gasket seal by wheel knobs.