Fire damper FR 92

CE marked maintenance-free FR 90 fire dampers are compatible with the European Product Standard EN 15650. Series FR92 includes fire resistant dampers for 30, 60, 90 and 120 minutes. Various installation choices of FR90 fire dampers provide planning flexibility for the users. The dampers can be installed with the blade axis horizontal or vertical. FR90 Fire Dampers can be connected to duct systems as well as wall transitions. In addition, FR90 Fire Dampers can be used for air transfer with a protective grille and fire detector on both sides. The models that are suitable with wooden constructions can be supplied. They can be provided in the different sizes from DN100 to DN800. The airtight damper casing is made up of galvanized steel. Also, the damper blades are made up of wear-resistant calcium silicate. Optionally damper blades are available with a metal coating made of galvanized and stainless steel. The activation temperature for enclosed release elements is 70°C or 95°C. Actuators are operated manually or automatically. In addition, dampers and actuators are supplied with ex-proof features. FR 90 Fire Dampers are compatible with the 2014/34/EU ATEX Product Directive and have an Environmental Product Declaration (EPD). They have been awarded with the hygiene certificate as well. CE marked and compatible with the European Product Standard EN 15650 Environmental Product Declaration (EPD) Hygiene Certificate Maintenance-free Provided in the different sizes from DN100 to DN800 The galvanized sheet airtight casing The blades with wear-resistant calcium silicate