General properties :Housing made of galvanized sheet steel Thermal labyrinth in the housing Seals for connection to the ventilation ducts Sealed by intumescent seals Opening/closing mechanism with protective housing IP42 (IP54 for motorized versions) Damper leaf made of fireproof, 25 mm thick material Lip seal on the flap leaf circumference for cold smoke sealing on the inside intumescent gasket for hot smoke sealing European standards applied CE marking EN 15650 Test EN 1366 -2 Classification EN 13501 -3 Reliability of thermal fuse ISO 10294-4 Airtightness EN 1751 Resistance to corrosive environments EN 60068-2-52 Certifications and approvals CE Certificate of Constancy of Performance n° 1812-CPR-1023 Efectis German approval no. Z-56.4212-987 DIBt NF certificate no. 09/04.02 AFNOR Swiss a.
eBay