Norton 7500 Series Door Closers

7500 Series

Closers for interior and exterior doors shall be full rack-and-pinion type with cast aluminum alloy body. Closers shall be surface mounted and shall project no more that 2-3/16" (55mm) from the surface of the door. Closers shall be non-handed to permit installation on doors of either hand. Closer fluid shall contain lubricity and anti-oxidation agents. Closer fluid shall maintain stable viscosity to allow door closer to perform in temperatures ranging from extremely high to as low as -40°F. Closers shall have multi-size spring power adjustment to permit setting of spring from size 1 through size 6. Closers shall have two non-critical valves, hex key adjusted, to independently regulate sweep speed and latch speed. Closers shall have backcheck cushioning controlled by a hex key adjusted valve. Closers shall have backcheck position controlled by a hex key adjusted valve. Regular arm and top jamb closers shall have a non-hold open shoe permitting 15% ( +/ – 7-1/2% ) power adjustment.

• Adjustable spring sizes 1 through 6 (ADA Compliant)
• Tri-Style® packaging for regular, top jamb or parallel arm mounting
• Exceeds 25 million cycles (witnessed and verified by UL)
• Rack-and-pinion design
• Cast aluminum body
• 2-3/16" (56mm) projection
• 1-1/2" (38mm) diameter piston
• 5/8" (16mm) diameter pinion journals
• Staked valves
• Standard, separate and independent, latch, sweep and backcheck intensity valves
• Backcheck positioning valve
• NorGlide® fluid
• Molded plastic cover
• All standard arm applications allow doors to swing 180°, conditions permitting
• Self-drilling screws
• Slide Tracks: push or pull side mounting