You can find three types of automatic door closer readily available in the market today. Based on the weight of the door and how you plan use it there is a perfect kind of door closer for you to choose from. The most common kind is the spring loaded door closer or hinge pin door closer which are good for lightweight applications.
Ideal for light weight doors like patio doors which is often constructed of lightweight aluminum frame with mesh screen spanning almost half of it. This door closer is commonly constructed of aluminum tubing or cylinder with only the push rod exposed while the spring is covered inside. The concept employed is very basic, a spring system pulls the door with a little tension and when you open it more tension from the string is developed which pull the door to close when released. The frequent issue with spring loaded door closer is that the push rod can be easily twisted if not mounted correctly or if you open the door too much. Also the piston rod bearing or bushing at the front end which absorbed the linear load wears overtime.
Another type of door closer is the air door closer. They are very similar to their spring loaded cousins with respect to load capacity and overall look. It also utilizes the same aluminum tube frame and has a piston rod. The main difference is that it uses pressurized air instead of springs which is produced when you open the door compressing the air within then pulls and close the door when you release it. Also the inner design is slightly different.
In the spring loaded door closer there’s no rubber seal on the piston or it is not air tight while in pneumatic door closer, a rubber seal is installed to prevent the air from escaping. With no rubber seal to keep the air pressure or when it’s damaged will cause the device useless. Additionally the inner surface of the aluminum cylinder is mirror finished for smooth functioning and to extend the life of the rubber seal and the unit itself. Due to the fact the air is compressible this form of door closer has the tendency of slamming the door if not correctly fine-tuned.
The last type of automatic door closer is the hydraulic oil filled door closer. This style is the most dependable and toughest among the 3. It also has a completely different construction and mounting construction compared to the other. While the spring loaded and pneumatic door closer is installed at the side of the door, around the hinge, the hydraulic type is fitted at the top part of the door. It is perfect to use in large weight doors and is usually applied in entrance doors or primary doors. The closing speed is adjustable with the turn of the screw. With the mounting template (to mark holes for drilling) and installation instruction bundled in the package making it super easy to mount (drill required) and doesn’t need a professional to do them. Not like pneumatic air, hydraulic fluid is not compressible, so, it is possible to adjust the closing of the door at a very low speed and smoothly.
There are also different types of automatic door closer including the motorized automatic door closer. Actually it is not only for closing but for opening as well which is very handy for hands free, disabled and handicap access. This system uses a 24 VDC motor to function and controlled by a microprocessor which enables you to open and close the door both manually and automatically. The encoder which is coupled to the DC motor detects the angle of the door at all times, meaning the encoder can establish if the door is open and how much and responds consequently. In contrast to non electric door closer it’s more expensive and value around 1.5k USD and most likely difficult to maintain because of lots of moving parts and definitely required an expert technician to set up.
For further facts about the many types of automatic door closer try to visit www.automaticdoorcloser.info and get the best deals.
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Anderson, Abrosyo "Different Styles Of Automatic Door Closer And Where To Buy Them." Different Styles Of Automatic Door Closer And Where To Buy Them. 23 Jun. 2010. uberarticles.com. 20 Aug 2014 <http://uberarticles.com/home-and-family/different-styles-of-automatic-door-closer-and-where-to-buy-them/>.
APA Style Citation:
Anderson, A (2010, June 23). Different Styles Of Automatic Door Closer And Where To Buy Them. Retrieved August 20, 2014, from http://uberarticles.com/home-and-family/different-styles-of-automatic-door-closer-and-where-to-buy-them/
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