What is the working principle of the door closer?
The door closer relies on hydraulic buffer to form damping. When the door is opened, the hydraulic oil is compressed. After the door is opened, the hydraulic oil is released to generate closing and opening energy, and then the speed is adjusted by the upper two screws to achieve a satisfactory closing speed.
How to choose the door closer model?
It is necessary to choose the load-bearing capacity of the door closer according to the weight and width of the door. It is recommended to ask a professional to install it during installation to avoid unnecessary losses.
Where is the door closer installed?
When installing the door closer, it should be as close as possible to the 10 cm position of the door shaft, and at the same time, the side of the two-stage speed control valve is facing the direction of the door hinge, so that the effect of the door closer can be better exerted.
Precautions for door closer installation?
1. Before installation, do not turn the gear shaft over 180 degrees, otherwise, the door closer will be damaged.
2. When using the shaker to debug the gear, the gear will be in a stopped state when it is turned to 180 degrees. It should be returned to the original position in time to avoid failure when debugging again. Damage to the door closer.
3. The door closer has an automatic closing function, and it is strictly forbidden to pull the door by hand.
4. After installation, do not use artificial assistance to make the door close faster, which will accelerate oil leakage or reduce the service life
Author:Written by Ms.Rebecca Fu from S4A INDUSTRIAL CO.,LIMITED
Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.
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