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, the door weight is small and the force is small. First, 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.
First, 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; the second is to require the door closer to have a long service life, so as to ensure long-term and normal use after installation, reduce maintenance, and reduce maintenance costs. The workload and cost of updating, but also the convenience and enjoyment brought by the door closer products.