The MAB 7110 floor spring is designed for hinged and swing doors up to 750 mm wide and 100 kg in weight. Featuring a cast iron body and hot zinc-plated cement box, it ensures durability and long service life. Closing force is fixed at EN 1, compliant with EN 1154 standards. The 105° hold-open version allows the door to remain open at a stable angle. Independent valves enable adjustment of closing speed and final latching. Suitable for internal wooden, metal, or glass doors, with universal opening (left/right, double action). Not suitable for fire or smoke protection doors.