Product Description
Hold Open Achieved by means of friction or ball and detent/ roller. Friction hold open has a range of 90° to 180° using template location and mechanical adjustment. Ball and detent or roller hold open is effective in a range of 85° to 110°.Hold open arm door closers are not permitted to be used on fire door assemblies.
Product Details
- Amazon Sales Rank: #118940 in Home Improvement
- Brand: Norton
Features
- 8501 comes to allow for regular, top jamb, and parallel arm installations.
- Non-handed
- Adjustable through the power range of sizes 1 through 6
- Allows adjustment of door speed from the door's full open position
- Allows adjustment of door speed from approximately 10° down to the door's fully closed position.
