Q:Who knows what oil in the closer, trouble tell me about

One, generally 40 # low pour hydraulic oil. Second, the use of door closers requirements and choice Door closer products must meet the national standard GB9305-88, for the use of fire doors closed doors should also meet the GA93-1995 "door lock with fire doors test" requirements. 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. The door frequency is closely related with the product quality factors, the use of frequent occasions, the product should be required to seal the performance is better, long life.

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: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

Q:What is the main function of the door closers of fire doors?

Fire door closers play the role is that when you open the fire door, the door closet will automatically start off the fire door, so that the fire door can be turned off. So that fire doors effectively play a role in blocking the fire and the spread of smoke.

Q:How closed the door closers

There is a small mouth on the right side of the door closer, there are screws, that is, tight tone

Q: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.

Q: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

Q:How closed the door closer

The side of the door closers has a screw to control the size of the oil or return air, do not screw too much! Will leak!

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.