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The core of the design idea of the hydraulic door closer is to realize the control of the door closing process, so that various functional indicators of the door closing process can be adjusted according to people's needs. The significance of the door closer is not only to automatically close the door, but also to protect the door frame and door body (smooth closing).

Door closers are mainly used in commercial and public buildings, but also in homes. They have many uses, chief among them being to allow doors to close on their own to limit the spread of fire and to ventilate the building.

What issues should be considered when choosing a door closer?
Before choosing a door closer, you should consider: door weight, door width, door opening frequency, usage requirements and usage environment, etc.

Door weight and door width are the prerequisites for choosing the door closer model. Generally, if the door weight is small, the force is small. It feels very easy to open the door, and the installation on the door is also harmonious and beautiful; second, small products are generally more economical. vice versa.

The frequency of door opening is closely related to the quality requirements of the product.

The door closer is required to have better sealing performance and no oil leakage. The key is the technology and material of the dynamic seal; Door closer is required to have a long service life, so as to ensure long-term and normal use after installation and to reduce maintenance, and reduce maintenance costs, the workload and cost of renovation. Long service life also ensures the convenience and enjoyment brought by the door closer products.