Spiralite SC60-COSMO fire and smoke resistant butterfly damper

The SC60-COSMO is a fire- and smoke-resistant butterfly damper that meets both WBDBO and WRD requirements. This damper offers fire resistance of up to 60 minutes and is installed at the level of the fire barrier in air supply and exhaust ducts. Thanks to testing according to EN 1366-2 up to 300 Pa, it is not necessary to switch off the ventilation system in case of fire. Suitable for use in residential construction and is certified for installation in solid and flexible walls, shaft walls and asymmetric plasterboard walls. The damper is also suitable for use in insulated air ducts. The SC60-COSMO also complies with the provisions for fire dampers according to NEN 6075:2020, with classification Sa and S200.