2 hydraulic speed valves are standard on all automatic door closers. Whereas automatic door closer hinges can only be used on light weight doors and lack the level of adjustment that automatic door closers possess.Īutomatic Door Closer AdjustmentsAn automatic door closer uses hydraulics to regulate the door closing speed. Automatic door closers are used on standard and heavy commercial door applications and are completely adjustable in spring tension and closing speed. As a person passes through the door, spring hinges automatically unwind, causing the door to close. As the door is pushed open, a spring inside the door hinge barrel winds up creating spring tension. ![]() A automatic door closer hinge is essentially a spring hinge. An arm that extends from the door closer body and connects to the door, pulls or pushes the door closed depending on which side of the door the automatic door closer is mounted. ![]() Automatic door closers are designed to mount to the top of the door or frame. What Is The Difference Between An Automatic Door Closer and Automatic Door Closer HingeAn automatic door closer consists of a hydraulic door closer body that houses an internal piston, gearshaft, and hydraulics. Whereas, automatic door closers do not automatically open a door, they only automatically close a door. Automatic door openers use an electric powered DC motor to power a door open, then uses a mechanical spring mechanism to close the door. Automatic door closers are often confused with electromechanical automatic door openers or ADA door openers. The internal hydraulic fluid and a system of valves controls the speed at which the automatic door closer closes the door. It is a manual type of door closure that uses mechanical spring power to automatically close the door once the door has been opened. ![]() What Is An Automatic Door CloserAn automatic door closer is a mechanical hydraulic door closing device.
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