SE Controls Africa keyboard_arrow_downSE Control | EA-KL-T Folding Arm Door Opener
For the natural smoke and heat exhaust it is physically indispensable that a sufficient supply air opening is available. This has to be the 1,5 fold of the air discharge opening according to building code. In practice there is an increased use of automatic electrical operated doors beside windows and flaps. The Folding Arm² Door Opener is the ideal actuator technology for smoke and heat exhaust supply air doors for keeping the door for the daily use manually flexible.