Norton 210-HDH Heavy Duty Surface Door Closer, Hold Open, Tri- Mounted, Multi-Size 1 to 6, Grade 1, Non-Handed

The Norton 210-HDH is a heavy duty surface-mounted door closer built for high-traffic commercial openings where reliable control and a convenient hold-open feature are essential. Featuring a multi-size spring adjustment from 1 to 6, this Grade 1 closer adapts to a wide range of door sizes and weights while delivering consistent performance. Its tri-mounted design allows for regular, top jamb, or parallel arm installation, and the non-handed construction lets a single unit serve both left- and right-hand doors. The integrated hold-open arm keeps doors open at a set position, making it ideal for controlled ventilation and easy passage in institutional, retail, and office settings.

Features

• Heavy duty cast iron body engineered for durability in demanding commercial environments.
• Multi-size spring power adjustable from size 1 through 6 for versatile door coverage.
• Tri-mounted design supports regular, top jamb, and parallel arm installations.
• Non-handed for use on both left- and right-hand swinging doors.
• Hold-open arm secures the door open at a preset position.
• Separate valves for latch, sweep, and backcheck speed control.
• Grade 1 certified for ANSI/BHMA performance and reliability.

Functional Details

The hold-open (HDH) function allows the door to be held open at a selected angle by engaging the hold-open mechanism built into the closer arm, while still providing full closing control when disengaged.

• Adjustable hold-open feature holds door open at desired position.
• Separate regulation valves for backcheck, sweep, and latch speeds.
• Multi-size 1 through 6 spring adjustment.

Arm Type Details

The 210-HDH uses a heavy duty hold-open arm configured with the tri-mount package. This arm permits regular, top jamb, or parallel installation and includes an adjustable hold-open shoe that keeps the door open at the set point until manually released.

Included Components

Each unit includes the closer body, hold-open arm assembly, mounting hardware, and adjustment instructions for standard tri-mount applications.