Norton PR7500 689 Door Closer

Features adjustable spring sizes 1 through 6 (ADA Compliant), Tri-Style® packaging for regular, top jamb or parallel arm mounting. Exceeds 25 million cycles, non-handed, and possesses a cast aluminum body. Characterized by a rack-and-pinion design: 2-3/16" (56mm) projection; 1-1/2" (38mm) diameter piston; 5/8" (16mm) diameter pinion journals; and staked valves. Also features standard, separate and independent latch, sweep and backcheck intensity valves, backcheck positioning valve, NorGlide® fluid, and a molded plastic cover. All standard arm applications allow doors to swing 180° with conditions permitting, self-drilling screws and slide tracks of push or pull side mounting. ANSI/BHMA A156.4, Grade 1 certified, ANSI/BHMA standard A117.1 certified, UL listed, UL 10c compliant for positive pressure and listed by the New York City Materials and Equipment Acceptance division.