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English  |
DDDC018
D&D Hardware
CE, UL 10C fire rated 3 hours
Aluminum Alloy
Silver
Wooden Door, Metal Door
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The force arm is forged steel, hard and not easy to bend, one end of the open hole is linked with the cylinder, and the other end is installed with a nylon slider that can be easily rotated, which is conducive to reducing the sliding friction with the sliding rail. The use of leverage principles, the spring inside the cylinder issued by the elastic potential energy or the kinetic energy generated by the opening of the door on the force arm, and then use the force arm and the displacement of the slide rail or the cylinder compression of the internal spring to achieve the closure of the door, open the door action.
Door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the most important of which is to allow doors to close on their own to limit the spread of fire and ventilation within the building.
The material of CE Door Closer is cast aluminum alloy, so it can keep the original shape very well. The Aluminium CE Door Closer canalso keep smooth for a long time, not easy to broken, these two characteristics greatly reduce the possibility of Door Closer become old and bad.The Fire Rated Door Closer can also keep long-term lubrication, make you convenient to open and close the door. The Hydraulic Door Closer is smooth and easy to install and use, it can bring you high security and beauty.For further information, please contact us.
The force arm is forged steel, hard and not easy to bend, one end of the open hole is linked with the cylinder, and the other end is installed with a nylon slider that can be easily rotated, which is conducive to reducing the sliding friction with the sliding rail. The use of leverage principles, the spring inside the cylinder issued by the elastic potential energy or the kinetic energy generated by the opening of the door on the force arm, and then use the force arm and the displacement of the slide rail or the cylinder compression of the internal spring to achieve the closure of the door, open the door action.
Door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the most important of which is to allow doors to close on their own to limit the spread of fire and ventilation within the building.
The material of CE Door Closer is cast aluminum alloy, so it can keep the original shape very well. The Aluminium CE Door Closer canalso keep smooth for a long time, not easy to broken, these two characteristics greatly reduce the possibility of Door Closer become old and bad.The Fire Rated Door Closer can also keep long-term lubrication, make you convenient to open and close the door. The Hydraulic Door Closer is smooth and easy to install and use, it can bring you high security and beauty.For further information, please contact us.
