Description
PR8501 689 Norton Door Controls Door Closer
- Finish: 689/US28
- Series: 8501 Series Closers
- Type: Door Closers and Operators
- Sub Type: Door Closer
| Type | Surface |
| Technology | Hydraulic |
| Mounting Location | Push Side |
| Mounting Style | Parallel Arm |
| Closer Size | Adj. 1 to 6 |
| Arm Type | Parallel Arm Rigid |
| Hand | Non-Handed |
| Back Check | Adjustable |
| Cover | Plastic |
| Cold Weather Fluid | Yes |
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.
