Electric Door Closers

Hot Products

Surface Mounted Door Closer M08-M09

Panic Exit Device DK-1220

White Tude Door Closer Pneumatic Screen and Storm Door Closer

Grey Screen Storm Door Closer Air Pressure Door Closer

Havey Duty Door Closer in Cheap Price

Black Spring Door Closer Screen Door Pneumatic Closer

Door Closer 503

Overhead Door Closer with CE Certificate

Heavy Duty Door Closer

Dorma TS68 Style Door Closer

FAQ

Is it hydraulic? Inside a lot of oil ah?

The door closer is a similar spring-like hydraulic pressure, when the door is opened after the release by compression, the door automatically shut, like the role of the spring door, you can ensure that the door is opened, accurate and timely closure to the initial position The

How to adjust the door closing force

Door closers to adjust the closing speed is through the two hydraulic valve independent control of two door closers closing speed for full hydraulic control.

What do you need to install a door closer?

Closed door installation method 1, usually with the door closer to provide instructions for the installation of the model, so first read the instructions, according to the direction of the door, the size of the closing force and the door closer, the connection between the seat and the door hinge to determine the installation location. 2, according to the requirements of the size of the closing force, by reversing the connecting seat 180 ° or change the connection between the connecting rod and the connection between the seat position, can change the closing force. Adjust the distance between the connecting rod and the hinge centerline of the door, the smaller the closing force of the door closer, the greater the strength. 3, according to the installation model on the location of the instructions to determine the location of the installation screw, and then drilling, tapping. 4, with a screw to install the door closer. 5, the installation of fixed connector. 6. Install the drive plate with screws. 7, adjust the adjustment lever to the door frame into 90 °, and then connect the connecting rod and drive board connected together. 8, do not forget to install a plastic cover, it can be used to catch the closed door leakage of hydraulic oil. 9, after installation, check the fixed screw is fastened, no loose or not strong phenomenon. Open the door to the maximum door position, check whether the hinge arm of the door closer is rubbed or rubbed against the door or door frame.

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?

With the adjustment has nothing to do with the purchase of whether the positioning of the door closer. You do not want to close, you must first buy the positioning of the door closer

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.

Do not close the door closer?

There is a small mouth on the right side of the door closer, there are screws, that is, tight tone. There are two valves next to the door closer to the speed but can not adjust the weight. The choice of the door closers is too heavy.

How to choose the door closers

Select the door closers should consider the factors are: the weight of the door, the width of the door, the door frequency and the use of requirements and the use of the environment. The weight of the door and the width of the door is the most important factor in choosing the door closer model, common doors are fire doors, wooden doors, aluminum doors, glass doors, steel doors and so on. Usually the weight of the door is small, select the smaller model, and vice versa.