The most common arms are the regular arm and parallel arm.
Arm type door closer.
The main function of the arm is to turn the pinion.
Commercial door closers are effective at controlling the opening and a lot of the functionality comes from the arm attached to the closer.
Dynasty hardware heavy duty grade 1 aluminum commercial door closer with hold open arm model dyn 8500 ho alum 89 95 89 95.
The closer features adjustable latching and closing speeds and a 180 opening range.
A regular arm closer is mounted on the pull side of the door.
The top jamb mounting can be used on a door with a smaller top rail than a parallel arm closer but the perpendicular arm may be problematic in locations prone to vandalism.
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.
Door closer mounting options 1.
Ideal security patio door security bar with anti lift lock black model sk110bl.
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.
The closer body is mounted.
With this mounting type the closer is mounted on the door and the arm is perpendicular to the frame.
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