Norton 7500 Series Commercial, Institutional Door Closers, With few exceptions all series 7500 and series 7700 door closers are non-handed and can be installed on either right or left hand swing doors. The sweep speed control valve Allows adjustment of door speed from the doors full open position down to approximately 10° from the closed position. 7500 comes with screws, brackets and soffit plates to allow for regular, top jamb, and parallel arm installations. Features Include: - ANSI A156.4, Grade 1 - 10-year limited warranty - Rack-and-pinion design - Cast aluminum body - Standard, separate and independent, latch, sweep and backcheck intensity valves - All standard arm applications allow doors to swing 180°, conditions permitting - 2-1/8" (54mm) projection - 1-1/2" (38mm) diameter piston - 5/8" (16mm) diameter pinion journals - Backcheck positioning valve - Molded plastic cover

Norton High Security Closers are designed for use in prisons, government buildings, schools, financial institutions, or any installation where vandalism, abuse, escape, personal injury, or damage to doors, walls, and hardware are major concerns.

The Security Closer Line uses Norton 7500 and 7700 series institutional door closers with a variety of regular rigid and parallel arms and track options. Hold open arms are also available. Fixed link arm assemblies, permanent joints, orbital riveted elbows, arm shoe, soffit joints and Torx® screws with tread lock prevent disassembly. Norton 7500/7700 and 8000 series door closers are also offered with some of the same arm options as the 7770/7570 but without the security cover. Torx screws are available standard for tamper resistance. These closers are utilized in schools and industrial environments where heavy abuse and vandalism may occur.

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