OTS™ 140 is universally usable for wooden, PVC, aluminum and steel swing doors. With pinion and articulated arm, according to UNE-EN 1154. BLACK Color. Usable for left or right in normal mounting or on the frame (normal mounting of the body on the blade, external mounting on the frame). 180º opening and closing angle, provided the construction conditions allow. Completely controlled closing from each opening angle. Safety valve on the closer that protects the overload. Hydraulic damping of the closing movement by means of closing speed adjustable progressively. The adjustment of the final blow of the door is made through a second control valve. With retention arm. Adjustable retention zone between approximately 70 ° and 150 ° of door opening.