Teach you how to choose automatic door closers

 

Convenient to automatic door use half-open automatic doors, we have to consider what makes it automatic doors have become automatic? That is, behind closed doors, because closers have a direct bearing on whether the door shut on their key points. So we have to find a good quality door closers it; then how should we in for an outsider to pick it? Here to introduce you to the principle of automatic door closers, door closers so you have a better understanding of:

First, the role of the outside door for the automatic doors, doors are directly affected by the impact of external pressure. The direction and size of the outside air pressure changes may be significant, so do not consider the door wide automatic doors and door weight and the choice of heavy-duty door closer.

Second, the automatic doors which open outwards, we must choose the damping function with the open door closer. Because it may be due to excessive pressure caused by automatic doors open with serious consequences. In addition, note the large excess of the door security should contact the manufacturer to choose the actual combination of factors.

Third, if the automatic doors inside and outside of the big wind pressure, such as: access doors and air-conditioned room door, the door greatly affected by wind pressure, the same gate width of the door so you must choose a high a level of closed-door device.

Because the automatic door closers are installed above the door, the door hinge to bear the full weight of the body, so the main consideration behind closed doors to select the width of doors automatic doors. Also, according to the specifications of automatic doors and door installation to determine the characteristics of the environment, otherwise it will not be used to achieve the desired effect.