MARKAGE 24V - Rectangular Multi MA smoke control damper
The MARKAGE rectangular Multi MA smoke control damper is suitable for installation in a wall or a refractory duct and has a fire resistance of 90 or 120 minutes, depending on the application and installation. The damper is available in a wide range of dimensions. The MARKAGE smoke control damper has an MA and HOT400/30 classification which ensures that in the event of a fire, the damper blades can still change position during the first 30 minutes. In this way, smoke control can be adjusted during or after a fire.