For modern day doors, which are energy efficient and thus very heavy, is very important that it has brought together with a good door closer. The most popular of the most trusted closers in Latvia are the companies GEZE, DORMA, GU, ASSA ABLOY. Why do you need a door closer? Closer performs several functions. First and most important, the door hinges are protected from the fact that the door
leaf is damaged in a whirlpool during a winding or strong wind, and hinges are damaged against the doorway. Secondly, the door will always be shut, they will not be left half-open, especially if they are often used and even more self-contained, if they are in public places like shops, cafes, restaurants, etc. Thirdly, the door will always shut off quietly and without a blow, so the door mechanisms and handle also will be protected.
Nowadays, there are many different types of closers, with different assemblies. Hospitals and supermarkets have automatic door closers, with electronics and sensors to open sliding side doors. In the private houses, small stores and cafes segment are the standard, lightweight, spring closers without electronics. Office inter room glass doors have floor-mounted closers.
Door closers also have a lifelong service life, and they require periodic maintenance and adjustment at higher load times. In assessing the condition of the closing device, must paid attention to number of important things: whether oil leakage has started to develop, fastening screws must not have any play, the clamper should operate smoothly and without strong blows. These things must be periodically followed up because otherwise may be permanently damaged the same mechanism and the door profile.