There are many minutes closer, such as fire door closers, hidden door closers,so the user closer in the choice is often do not know how to choose, there will be users to introduce 7 kinds of the direction of door closers is chosen.
1、Ability to close
General and heavy door closers light is precondition to select models, different types of door closers under the door weight ranging from tens of kilograms to hundreds of kilograms. Select the power door light weight small size, on the contrary also, choose their own door closers, primarily because the door switch very convenient, also installed seem very coordinated, there is of course because of the prices, the price closer on the relatively small economy.
2、The maximum opening degree and direction
Different occasions require the use of the maximum opening door closer is different, generally closed door opening can be divided into 120 degrees and 180 degrees, but the closer some brands is not the opening direction, and closing some brands is divided into left and right open open, so we must choose to be very attention.
3、Do you need a resident function?
According to the actual situation to confirm whether the door after opening function
When reached a certain position in the fast after the opening will produce damping buffer, and the damping function can also be adjusted, according to our own needs. The main function of damping buffer to prevent overshoot is open doors or locks are hitting the wall or in the emergency escape when people fell to the ground in the forward tilt of weight loss open the door quickly.
5、Delayed closing function
This mainly refers to the door in the largest open position began to slowly close, can be adjusted appropriately according to the requirements of this function are most applicable in the hospital, or inside the mall. Especially in the hospital, the elderly, children, disabled access and use and in the channel.
The utility model can be installed on different doors with a wide range of door weight and a wide range of doors, and where the resistance of the door is closed because of environmental factors, the utility model can be adjusted at random to obtain a satisfactory closing force
The north area should choose the low condensate hydraulic oil should have fire door closers, in the place of the choice of fire door closers.