8501ST 689 Norton Door Controls Door Closer

• Finish: 689/US28
• Series: 8501 Series Closers
• Type: Door Closers and Operators
• Sub Type: Door Closer

The 8000 Series Door Closers offer the ideal combination of appearance, reliability and durability in today’s market. With features such as staked valves, precise valve adjustment and a complete range of arm and cover options, this closer can meet virtually any application challenge. The 8000 Series Door Closers exceed 10 million cycles, have a rack and pinion design with a cast aluminum body and are non-handed. A slim-line plastic cover is standard with the 8301 closer and a full plastic cover is standard with the 8501 closer.

Architectural Tri-Style® door closer.

The 8000 Series Door Closers offer the ideal combination of appearance, reliability and durability in today’s market. With features such as staked valves, precise valve adjustment and a complete range of arm and cover options, this closer can meet virtually any application challenge.

• Closers for interior and exterior doors shall be full rack-and-pinion type with cast aluminum alloy shell.
• Closers shall be surface mounted and shall project no more than 2-1/8″ from the surface of the door with standard cover.
• 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 adjustable backcheck intensity controlled by a hex key adjusted valve.
• [Closers shall have adjustable delayed action closing controlled by a hex key adjustable valve.]
• Regular arm and top jamb closers shall have a non-hold open shoe permitting 15% ( + or – 7-1/2% ) power adjustment.