A manual door closer stores the energy used in the opening of the door in a compression or torsion spring and releases it to close the door. Some closers allow for adjustment of the strength of the spring, making it easier or more difficult to push the door open.
The SARGENT 421 is a revolutionary door closer that provides unheard of performance in track arm applications. The dial piston cam design provids high efficiency and smooth operation with the clean appearance of a track arm. This closer has the highest efficiency of any surface mounted door closer on the market today. This means that a door equipped with this closer will feel light to open and have plenty of power to overcome stack pressure or other problems at latch. Learn More$276.75