The general types of door closers are the manual and the automatic. The manual style comes in two forms such as the overhead and the jamb mounted. There are also certain factors to consider when choosing these shutters. They should be highly functional in cases of emergency as well as strong resistance against any risk of vandalism or other opening forces.
Usually, the manual door closers are opened and closed by a person like a security guard. They can also be shut by using hydraulic dampers which limits the speed of opening and closing of the door. These shutters likewise function mechanically like the oil-filled shutters. The function of these devices are both closing and opening of doors.
The door closers are automatic when they open with the use of controls like push button, motion detector, or a proximity detector which shuts or opens the door when it is safe to close or to open. These dual functions are actually suited for the entrances and exits where people get in and out periodically. These types of shutters are also considered openers for they can open automatically.
The ingress and egress of places like hospitals or buildings must have door closers which fly open especially in case of fire or other emergencies. Such particular places must have automatic door closers and openers. The automatic door closers and openers must be mounted or installed at the entrance and exit of these places. These are really important most particularly in these types of places and buildings.
They can be mounted by standard installation, top jamb installation or parallel arm mounting to the door to suit your style. They are mostly made of metals like stainless steel, brass and iron and their prices vary according to their respective features. The finish, models, designs and sizes as well affect the prize. The common available finishes are silver, brass, chrome, satin chrome and other colors of your choice for door closers.
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Door closers open and close doors for you. Now, there are two types of these door closers: the manual and the automatic. Each has distinctive features which will suit your needs and preferences. For suggestions of these items, please visit this site at www.wholesalelocks.com/door-closers.html .
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