The 7700 Series is a floor spring with Cam-Motion® technology certified for fire-rated doors up to 170 Kg (non hold open version only) and CE marked.
Adjustable closing force 2-4 accoding to EN 1154 standards. It has a universal design for left and right doors and for single and double leaf doors.
It is suitable for wooden, metal and glass doors and it is ideal for residential internal doors thanks to its adjustable opening/closing force that makes door opening/closing easy.
Adjustments could be easily made in all directions within the cement box to solve problems without taking down the door.
Soft closing or powerful latching action to ensure proper closing also in case of hard-to-latch locks. Closing speed and final latch are controlled by two easily adjustable independent non critical valves.
It is also equipped with an overpressure valve relief and it has a variety of Interchangeable spindles (Italian, French and German).
Coverplates finishes: Polished stainless steel, Satin stainless steel, Polished brass
