Rectangular fire damper CU2L

Damper with a tunnel casing extension at one or both sides so that the damper blade does not exceed the tunnel. This version allows to connect a grill or a bend directly on the damper flange or to use a circular connection. BENEFITS Large dimensions Many options and variants Battery assembly tested in rigid wall Model available for use in potentially explosive atmospheres FEATURES Extension: a = Hn/2-230 mm (on the side of the mechanism); b = Hn/2-100 mm (on the wall side)