Automatic Door Closer, Speed Adjustable Hydraulic Door Closer, 180° Spring Door Closer,Auto Spring Hydraulic Door Closer, Closing Speed Adjustable, Commercial & Home Use.Door Closer, Automatic Hydraulic Adjusting Silent Soft Slow Slam Gate Closer Overhead Concealed.

This automatic door closer uses a hydraulic device to adjust the closing speed and locking speed. Turning the valve clockwise reduces the speed and counterclockwise increases the speed. This spring door closer is designed for doors with a 180 rotation and a maximum opening range of 180. This door closer is made of Hydraulic and is linked with rivets, which are fastened and not easy to fall off. This door closer can be used for right-opening and left-opening doors, metal doors, fire doors, wooden doors, glass doors with frames, home and office doors, and exterior/interior doors. Not positioning(180): The door can be automatically closed at any Angle, avoiding the phenomenons of not closing the door! ★Made for commercial application Commercial doors are bigger in size and heavier in weight in comparison to the residential ones. With this door closer, your commercial doors will functional properly. It is a strong product and it can easily perform its task with commercial doors. The material used is of high quality too so you will not have to worry about its durability. It can easily withstand a substantial amount of harsh treatments. Hydraulic designed makes no noise and stable enough. Two speed adjustments help you control the speed of closing door and protect your door lock. Detailed introduction and install size template attached with the products provide you an easy installation. The automatic hydraulic door closer is made of high-quality aluminum with the hydraulic principle to keep your door close safely.