Introduction to the door closer and selection tips

The modern hydraulic door closer (door closer for short) began as a patent registered by the Americans in the early twentieth century and differs from the traditional door closer by throttling the fluid in the metro door closer to achieve a cushioning effect. The door closer is designed to control the closing process. Let's take a look at the introduction and selection tips of the door closer. Here are some answers.

Here is the content list:

l What is the door closer?

l Tips for choosing a door closer.

What is the door closer?

In the event of a fire, the hotel door closer prevents the fire from spreading and allows more time for escape. A door closer is a spring-like hydraulic device on the head of the door that is released by compression when the door is opened and closes the door automatically, which acts like a spring door and ensures that the door is opened and closed to its initial position in an accurate and timely manner. door closer's basic components the basic components of the school door closer are the support guide, the drive gear, the reset spring, the check valve, the rack and pinion plunger, the throttle spool and the housing, the end cap, the sealing ring, and the connecting rod. The housing and the connecting rod are used to fix the door closer and connect the door to the door frame. A door closer is used in finance, telecommunications, supermarkets, hotels, government, schools, airports, factories, justice, safe cities, etc.

Tips for choosing a door closer.

First, before buying, to understand the weight and size of the door, if the weight of the door is light, you can properly select the office door closer with less closing strength and good sealing. If the weight of the door is heavier and the size is larger, you can select the door closer with more closing strength. Second, when opening and closing the door, the door closer is used very frequently, so when buying, to when choosing a door closer, it is important to know how long it will last. If it is of poor quality and has a short service life, it will be prone to damage. If it has a long service life, it will reduce the cost of maintenance. Thirdly, when buying, you can find out whether it has an automatic doorstop and what its resistance is. If its resistance is too small, it is easy to cause damage to the door when it closes at a faster speed, and also easy to cause safety accidents. If it closes too quickly and with too much force, then children and the elderly will have a lot of inconveniences when entering and leaving the door, and will also be prone to pinching and other problems.

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