Norton CLP8501-T CloserPlus Architectural Surface Mounted Door Closer, Dead Stop Thumbturn Parallel Arm Heavy Duty, Multi-Size 1 to 6, Plastic Cover, Grade 1, Non-Handed

The Norton CLP8501T is a heavy-duty architectural surface-mounted door closer built for demanding commercial openings. It ships with the CloserPlus hold-open arm featuring a thumbturn dead stop, giving building occupants a simple way to hold a door open at a preset point while still providing controlled closing when released. Adjustable across spring sizes 1 through 6, this non-handed closer adapts to a wide range of door widths and traffic conditions. Backed by a Grade 1 ANSI rating and finished with a durable plastic cover, the CLP8501T delivers reliable, long-lasting performance for entryways, corridors, and high-use interior doors.

Features

• Heavy-duty cast iron closer body engineered for high-frequency commercial use.
• Multi-size spring power adjustable from size 1 through 6 for flexible installation.
• Non-handed design fits both left- and right-hand door applications.
• CloserPlus arm with thumbturn dead stop for convenient hold-open control.
• Separate valves for latch, sweep, and backcheck adjustment.
• Included plastic cover for a clean, finished appearance.

Functional Details

The CloserPlus thumbturn arm lets the user set and release a hold-open position at the door, with an integrated dead stop that limits the door swing to protect adjacent walls and hardware. When disengaged, the door returns to normal controlled closing.

• Adjustable spring power sizes 1 through 6
• Separate regulating valves for closing sweep, latch speed and backcheck intensity
• Non-handed, non-sized for high frequency and abusive applications

Arm Type Details

This closer uses a parallel arm mounting with the CloserPlus dead stop thumbturn arm. The parallel arm configuration positions the closer on the push side of the door for a low-profile look, while the thumbturn allows a hold-open function combined with a positive stop.

Included Components

The unit includes the closer body, the CloserPlus thumbturn dead stop parallel arm, and a plastic cover.