A noteworthy selection of door closers manufactured by Norton Door Controls. The Norton 7500 series door closer offers customers the ideal combination of superior performance, strength and quality. Ideal for interior or exterior doors in facilities that demand reliability. The Norton 7500 series commercial door closer is a great fit for institutions demanding reliability, quality and a proven track record. The Norton 7500 door closer is the perfect fit for colleges, hospitals, private and public schools along with any other high traffic application.