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.
Corbin Russwin Grade 1 DC8210 door closer, the perfect choice for high use openings and doors that must meet ADA requirements. Easy to-install DC8210 ideal for schools, office buildings, health care facilities and retail complexes. The series also meets UL 10C and UBC 7-2c positive pressure requirements for fire-rated openings. Learn More$234.85