Extruded aluminum ventilation damper 50-ALD-70

Volume control and pressure relief dampers are indicated for the regulation and limitation of the air flow in the different locations of the installation. As well as the external air intake, which enables the evacuation or air suction, preventing the penetration of rain. Model 50-ALD-70. Aluminium regulation damper with double blades and 70mm frame with opening in opposition, by means of gears made of polyamide and glass fibre, located inside the side profile. Made of extruded aluminium. Incorporates thermoplastic rubber seals to improve the closure of the damper. Drive for motorization or with incorporated servomotor. Drive: (MT) Preparation for motorization (MS) Incorporated servomotor