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It should be noted that the increase of movable fans reduces the wind resistance of door fans. Therefore, continuous guide rails should be used when the opening width of the door exceeds 2M. In addition. In Germany, two radar sensors must be installed on each side of a door that is more than two meters wide and high. Automatic arc door guide arc must minimize deformation, in order to ensure the accuracy of operation, the installation of automatic fixed arc door must strictly control the vertical degree of the door body and the level of the guide rail, the impact of the side swing on the arc door is much larger than the translation door.

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