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1. Closing ability

Generally speaking, door weight and door lightness are the preconditions for choosing door closer models. Different models of door closers can withstand door weights ranging from tens of kilograms to hundreds of kilograms. Generally, the door with a light weight chooses a model with a small power. On the contrary, choosing a door closer that suits you is mainly because it is convenient to open and close the door, and the installation looks very coordinated. Of course, it is also because of the price. The price of the door closer is also relatively economical.

2. Maximum opening and direction

Different occasions require different maximum opening degrees of door closers. Generally speaking, the opening degrees of door closers can be divided into 120 degrees and 180 degrees, but some brands of door closers do not distinguish the opening direction, while some brands of door closers Door closers are divided into left-opening and right-opening types, so we must pay great attention when choosing.

3. Do you need to hold the function?

4. Damping buffer function

When the door reaches a certain position after being opened quickly, a damping buffer will be generated, and this damping buffer function can also be adjusted according to our own needs. The main function of the damping buffer function is to prevent the door opening force from exceeding the door or the lock hitting the wall, or during emergency escape when people lose weight and fall forward when they open the door quickly.

5. Delay closing function

This mainly means that the door starts to close slowly at a constant speed when it is opened to the maximum position, and it can be adjusted appropriately according to the requirements. Most of this function is suitable for hospitals or shopping malls. Especially in hospitals, it is used in access and passage for the elderly, children, and the disabled.

6. Door lock adjustment function

It can be installed on different doors with a wide range of door weights and door widths, as well as in places with large door closing resistance due to environmental factors, and can be adjusted at will to obtain a satisfactory closing force.