300mm Circular Spigotted Fire Damper (without frame)

300mm Circular Spigotted Fire Damper

• The series of curtain bladed fire dampers are designed to stop the spread of fire through ducts, walls and floors. Within the limits of the largest and smallest damper. 
• The damper blades are precision rollformed and then interlocked to provide a ‘curtain’ with an angular, heat deflecting construction.
• All dampers are supplied with two constant force stainless steel closure springs and locking ramps to ensure positive closure.
• All dampers are suitable for horizontal or vertical installation. Dampers are supplied as standard with a fusible link set to operate at 72°C