Electric Door Closers

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FAQ

At least 2 years old, because I am doing the project, you can need a large number of purchases. Others say the Internet is cheaper, but not kind, afraid of poor quality. We recommend to me.

The key is the frequency of use of the janitor

What do you need to install a door closer?

Hidden Installation: This installation method for hidden door closers, the general door closers installed on the door, slide installed in the door frame. Door closers can be on both sides of the door. Compared with the first three installation methods, this installation method to minimize the closing force. After installation in this way, the door in the closed state, there is no exposed parts, so the most beautiful. This installation is the most complex, it is best to need a professional to install. This installation requires a large gap between the door and the door frame, usually 10mm (or the installation of the door to remove the material, increase the gap). The thickness of the door exceeds 42mm.

How much is the cheapest door closer?

Well-known domestic brands - Branch guide, her a small door closet KE-151 is relatively cheap, and ? 40. Branch guide the door closer, good quality, stable performance, sold overseas, so the cheapest door closet is certainly less than ? 40. Hope to help some.

Do the door closers have automatic stop function?

1, the door closers are not automatically shut the door function. With the positioning or stop function of the door closer prices generally higher than the usual price of about 30%. 2, the door closer is a spring similar to the spring, when the door can be opened after the release of compression, the door automatically shut, like the role of the spring door, you can ensure that the door is opened, accurate and timely closed to initial position. 3, behind closed doors are mainly used in commercial and public buildings, but there are also used in the home situation. They have many uses, the most important of which is to make the door closed by itself, to limit the spread of fire and ventilation within the building.

Has adjusted the pressure behind the buttocks screws, in front of the adjustment screw and the card before and after the tune, Guiqiu how to get the door closet in the door when the big open does not automatically shut down, move the point angle will automatically shut down?

Turn on the door shutters after turning on the auto stop function. Door closers are mainly used in commercial and public buildings, but are also used at home. They have many uses, the most important of which is to make the door closed by itself, to limit the spread of fire and ventilation within the building.

Would like to ask what kind of door closers, suitable for hotel works with what?

We can usually go to the nearest building materials market door door (Foshan). The type of door closers can be divided into: 1, installed in the door outside the door, 2, behind closed doors hidden in the door, collectively known as hidden behind closed doors.

How closed the door closer

The speed is too fast is too loose screws, need to adjust the clockwise, you can slowly debug.

Just bought back, do not know why the rotation of the axis does not move ... no way to install

First, the solution: Use a screwdriver to release the adjustment valve on the door closer. Second, the role of behind closed doors: Modern hydraulic door closers (hereinafter referred to as closed doors) began in the early twentieth century, a patent registered by the Americans, it is different from the traditional door closers, through the closure of the liquid in the throat to achieve the buffer effect The The core of the design of the hydraulic gatekeeper is to realize the control of the closing process so that the various functional indexes of the closing process can be adjusted according to the needs of the people. The significance of the door closer is not only to automatically shut the door, but also to protect the door frame and the door (smooth off), more importantly, the door closet has become a modern building intelligent management of a non-negligible implementation of the part. Door closers are mainly used in commercial and public buildings, but are also used at home. They have many uses, the most important of which is to make the door closed by itself, to limit the spread of fire and ventilation within the building.