Door pivot TS 550 E

Floor spring with electromechanical hold-open device The TS 550 E floor spring can be infinitely regulated by the electromechanical hold-open device. This means that the door can be held-open for as long as required, and locked. This door closer can also be used with fire and smoke protection doors. A security valve helps prevent intentional overloading. The closer is authorised for use with renowned smoke detector systems, and is tested and certified by DIBt (the German institute for construction technology).