The popularization of door closers

As the name implies, the door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be released after compression and automatically close the door. It functions like a spring door, which can ensure that the door is accurately and timely closed after being opened. initial position. Speaking of which, you must have thought of how it is used.
Application <br> Door closers are mainly used in commercial and public buildings, but there are also cases where they are used at home. They have many uses, the most important of which is to close the door by itself to limit the spread of fire and ventilation in the building.
Selection Notes <br> The factors that should be considered when choosing a door closer are: the weight of the door, the width of the door, the frequency of door opening, and the requirements and environment of use.
* Feature selection:
The door closers have the functions of door closing and door locking. The functions that need to be purchased include delay, buffer, door stop, door fixing, and door closing force adjustment.
Delay function: when closing the door, a longer closing time is needed to allow people or objects to pass, such as occasions where old people and children often enter and exit. Suitable for public places and families. Not suitable for occasions with special safety requirements.
Cushioning function: It is suitable for the occasions where there are walls or objects behind the door, to avoid hitting objects behind the door when the door is opened too fast.
Door stop function: It is suitable for indoor occasions such as family or office meeting rooms, and is convenient for passing or cleaning of dense crowd flow. Not suitable for occasions with safety and fire protection requirements.
* Environment selection:
indoor:
Ordinary occasions such as homes, offices, conference rooms, etc .: Small models with door-stop function are generally used. This is mainly because the power of opening and closing the door is small in these occasions, which can be easily opened for children and the elderly, and the noise when closing the door is also small It is often necessary to clean and ventilate, so it is best to choose a door closer with a door stop function.
Hotels and other high-end occasions need to choose products with exquisite and luxurious appearance and surface decoration; for the purpose of anti-theft, it is best not to choose the door stop function, if necessary, you can choose the delay function door closer.
outdoor:
For the purpose of anti-theft, it is best not to choose the door stop function. If necessary, you can choose the door closer with the delay function; if you use it more frequently, you must choose the product that passes the life test.
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