Rubber ventilation damper CRT

stainlesssheet steelfor building

Tight-closing shut-off damper Motorised regulation (standard) Manual control through knob (accessory) Quick connection enables simple access for cleaning (accessory) Circular commissioning damper consisting of a duct section with a damper and duct connections fitted with a rubber seal ring. The CRT has as standard provision for motorised regulation. The damper duct has an external actuator self for simple installation of an actuator. Inside there is a solid blade with rubber gasket, Ductwork leakage Class 4 to SS-EN 1751. As standard, the supporting shelves are 80 mm high to be flush with the outer surface of any possible duct insulation. Max. permissible ambient temperature: 60°C. Tightness Classification according to EN 1751, pressure Class A with 1000 Pa as the highest pressure difference over damper blade in closed position. Tightness class C on the housing and tightness class 4 for closed damper. The entire damper is made of galvanised sheet steel. The damper can be made of other materials, such as stainless or epoxy-coated sheet steel. Contact your nearest sales office for information.