Fire damper FR 90

CE marked maintenance-free Series FR 92K is compatible with the European Product Standard EN 15650. Series FR 92K includes fire resistant dampers for 30, 60, 90 and 120 minutes. Series FR 92K can be installed in rigid walls and ceilings and also metal stud walls. Dampers can be easily used in duct systems. The airtight damper casing is made up of galvanized steel. Also, the damper blades are made up of abrasion-resistant calcium silicate. The activation temperature for enclosed release elements is 72°C. They can be provided in the different sizes from DN100 to DN315. The fire dampers from DN100 to DN200 can be used with the purpose of air transfer with a protective grille on both sides. Optionally, a non-return valve with the fire dampers can be supplied. CE marked and compatible with the European Product Standard EN 15650 Maintenance-free Provided in the different sizes from DN100 to DN315 The galvanized sheet airtight casing The blades with abrasion-resistant calcium silicate In short overall lengths and minimum installation distances