Norton J8301ST 689 Door Controls Door Closer Aluminum Painted

The 8000 Series Door Closers provide an excellent blend of aesthetics, dependability, and longevity. They feature staked valves, fine-tuned valve adjustment, and a wide array of arm and cover choices to tackle any application. These closers surpass 10 million cycles, boast a rack and pinion design with a cast aluminum body, and are ambidextrous. The 8301 closer comes with a standard slim-line plastic cover, while the 8501 closer includes a full plastic cover.

• Door closers for all types of doors must be full rack-and-pinion with a cast aluminum shell
• Surface-mounted closers should not extend more than 2-1/8" from the door's surface with the standard cover
• Closers are designed to fit doors of either hand, being non-handed
• Closer fluid contains lubricity and anti-oxidation agents for smooth operation
• Fluid viscosity remains stable across extreme temperatures (-40F to high)
• Spring power can be adjusted from size 1 to 6 for varied door weights
• Two independent valves regulate sweep and latch speeds with hex key adjustment
• Backcheck intensity is adjustable via a hex key-controlled valve
• Delayed action closing is adjustable using a hex key
• Regular arm and top jamb closers have a non-hold open shoe for 15% power adjustment
• Closers are protected by a molded resin or plated/sprayed metal cover
• Closers are Norton models 8301, 8501, 8501M, 8501MA, or 8501A