How a Pneumatic Door Closer Works How a Pneumatic Door Closer Works

If you are thinking about installing a pneumatic door closer, you may be interested in learning more about how it will work. This makes perfect sense, as the more you know about your door closer, the more use you will be able to get out of it. What follows should give you everything you need to know about how pneumatic door closers work.

The Basics

Door closers can be installed on the door jamb or over the door. While the overhead mounted types are more common, you will see jamb mounted door closers as well. Whichever pneumatic door closer you are looking at, the basic principle that makes it work remains the same. First, opening the door compresses air within the door closer. Next, when nothing is holding the door open anymore, the door closer uses that pressure to push the door shut again. This releases the pressure and leaves everything the way it was before the door was opened.

More Features

Pneumatic door closers also have other extra features. Most door closers can be adjusted to change the speed at which the door closes. The most common method involves hydraulic dampeners, but springs are also a common technique. In either system, the door closer can be adjusted with a screwdriver.

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