Q:How to install the door closer

Closed door installation steps: ????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) Depending on the closing force size, the closing force can be changed by reversing the connecting seat by 180 ° or by changing the connection position between the connecting rod and the connecting seat. 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) Determine the position of the mounting screw according to the position indication on the mounting plate, then drill and tapping. ????4) Install the door closer with screws. ????5) Install the fixed connector. ????6) Install the drive plate with screws. ????7) Adjust the adjustment lever to 90 ° to the door frame, and then connect the connecting rod to the drive plate. ????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 whether the fixing screws are fastened or loose or not. 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. ????Close the door closing speed ????10) Adjust the closing speed of the door closer as needed. Usually the door closers have two speed control (throttle spool) screws. The upper adjustment screw is the first section of the closing speed adjustment screw, and the lower adjustment screw is the second speed (usually 10?) closing speed adjustment screw. ????C, the use of door closers and maintenance, repair ????The newly installed door closers should be used for one week to about 10 days, and all screws should be checked and re-tightened again.

Q: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.

Because the door closers are also to do life testing immediately out of the 3C before doing CE testing and other domestic 20-30 are basically under the service life of 50,000 times, for example, Wuxi Gelite, the interests of OKorder Opel Not as much as he did advertising that more than 200,000 times. And then there is a regular test report price between 30-70, for example, GMT and then up is the international brand, and Gezer estimated that you will not consider expensive but really stable, which is not the same door

Q: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

Q:What is the difference between concealed door closers and closures?

Installation is different, showing different results. 1, the installation of different ways, mainly installed in the main body of the door, such as the door or door or door or door frame, concealed is hidden in the door, the outside can not see the metal parts. 2, showing different results, dark door closers do not see the door closer, open only see the slide. All parts of the door closers are external.

Q:What do you need to install a door closer?

Door frame installation: Door closers installed in the door frame, the seat installed on the door, and the door closer to the door. This installation method is suitable for wide door frame, there is enough space to install the door closer.Compared with the standard installation, this installation method is suitable for opening doors such as walls and other obstacles. This type of installation has a greater closing force and is suitable for larger and heavier doors.

Q: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.

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

Closer Burial device in the ground, collectively known as the spring.

Q:Do not close the door closer?

Another model of small points, according to the width of the door with the weight of the choice of door closers. As well as domestic imports with the intensity of the difference are a lot, if the closure of the time when the tone is not smooth is poor door closers. Good closet is closed very soft.

Q:How can we install a door closet

Parallel installation: The door closer is mounted on the door and the parallel plate is mounted on the door frame. And the door closer is mounted on the door side. This installation method is suitable for the door frame is very narrow, or almost no door frame.

Q: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.