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Arm type door closer.
With this mounting type the closer is mounted on the door and the arm is perpendicular to the frame.
The closer body is mounted.
Dynasty hardware heavy duty grade 1 aluminum commercial door closer with hold open arm model dyn 8500 ho alum 89 95 89 95.
The most common arms are the regular arm and parallel arm.
The main function of the arm is to turn the pinion.
The arm tail rests against the door and a spring that is twisted by the user opening the door closes the door by returning to its pre twisted shape.
The closer features adjustable latching and closing speeds and a 180 opening range.
Door closers with a regular arm will be mounted on the pull side of the opening.
The universal hardware heavy duty aluminum the universal hardware heavy duty aluminum commercial door closer is suitable for aluminum wood and hollow metal storefront applications.
This type of door closer is referred to as a tail spring 28 and is one of the more simple mechanisms having no damping control.
Door closer mounting options 1.
Commercial door closers are effective at controlling the opening and a lot of the functionality comes from the arm attached to the closer.
A regular arm closer is mounted on the pull side of the door.