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 DA-351-CPS line of surface door closers has been engineered to meet the demands of architects and building owners. The Sargent 351 Series is a complete line of closers for interior and exterior doors with quality and flexibility to meet virtually every application. Ideally suited for Exterior doors in heavy draft and wind conditions, Hospitals, Schools, Convention Centers Learn More$356.40
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