Due to the current market has not reached the door closer using is very common, so the closer the classification is not very clear, common door closing device can be divided into automatic door closers, fire door closers, and there are some frequently used, we have to talk about together for example Fuerda closer closer classification .
CONCEALED DOOR CLOSER
Concealed closers with low temperature anti icing hydraulic oil, in extreme environments (-40 -60 DEG C) also can be used flexibly, unique structure design, suitable for left and right hand door, without any adjustment, convenient installation, but the door for more stringent requirements, wood thickness not less than 44mm, the hollow door thickness not less than 40mm.
Rocker type door closer
Rocker type door closers is generally more suitable for light and medium civil and commercial doors, color classification generally have silver, bronze, gold, white, used in standard frame installation.
Guide the door closer
The guide type door closer is very popular in the European and American markets. It is mainly applicable to all kinds of civil and commercial doors. It is common in the general family and market.
The fire door closers
This camera is very important for the fire, because it can automatically shut the door, blocking the spread of fire air effectively. The fire door closers and can also fire control systems use, normally open fire doors suitable for frequent. Fire or accident, fire door closers role in the linkage can be closed in time, at the same time will be closed to signal to the fire control system.