A pneumatic door closer is a device used to automatically close a door after it has been opened. The mechanism works by using compressed air to control the speed at which the door closes. Pneumatic door closers are commonly used in commercial and residential buildings to ensure that doors are closed properly, which helps to maintain the temperature inside the building, prevent the spread of fire and smoke, and improve security. Pneumatic door closers consist of a cylinder that is filled with compressed air, a piston that moves back and forth inside the cylinder, and a spring that controls the speed of the piston. When the door is opened, the piston is released and the compressed air forces the piston to move, which in turn pulls the door closed. The spring controls the speed at which the door closes, ensuring that it closes gently and quietly. Pneumatic door closers are available in a variety of sizes and strengths to accommodate different types of doors and usage requirements. They can be installed on interior or exterior doors, and are often used in conjunction with other door hardware such as locks and hinges. Some pneumatic door closers are also designed to be adjustable, allowing the user to control the speed at which the door closes. Overall, pneumatic door closers are an essential component of any building's safety and security system. They provide a reliable and efficient way to ensure that doors are closed properly, which helps to maintain the integrity of the building and protect its occupants.
Compressed air, Cylinder, Piston, Spring, Adjustable
CITATION : "Joseph Jackson. 'Pneumatic Door Closers.' Design+Encyclopedia. https://design-encyclopedia.com/?E=401699 (Accessed on May 04, 2025)"
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