The 500 Series is a unique overhead door closer with rack-and-pinion technology, fixed closing force and integrated hold open device. It has a universal design for regular mounting (pull side) or reversed mounting (push side) and fixed closing force sizes 2 and 3 accoding to EN 1154 standards. It is suitable for 850 and 950 mm wide door leafs. It is recommended for external doors. The integrated hold open device is easily adjustable precisely to the desired angle. It is not suitable for fire-rated doors. Equipped with thermostatic valves for indipendent hydraulic control of closing speed and final latch. The latch angle is easily reduced by turning the forearm, up to its elimination (soft closing). The possibility to ensure a powerful latch also from an arc of just a few degrees guarantees reduced noisy action in case of hard-to-latch locks. Finishes: White – Silver – Matt black – Gold – Light bronze. Other finishes may be available on request.