ABH N4421 Surface Mount Overhead Holder Stop - Medium Duty, S4 (BSPC)The ABH N4421 Surface Mount Overhead Holder Stop is designed for single acting doors in commercial settings, offering a robust solution with stop, hold-open, and friction functions. This medium-duty overhead stop is perfect for moderate traffic applications, ensuring reliable operation and functionality.
Constructed from durable steel, the N4421 features a shock-absorbing spring that provides a cushion of 3° to 5° before reaching a dead-stop. The non-handed design allows for flexible installation, making it suitable for a variety of door configurations. With a surface mount design, this overhead holder stop is ideal for applications where door frame modifications are not feasible.
Complying with UL standards, the N4421 is fire door listed for use with wood doors rated for 20 minutes and hollow metal doors rated for up to 90 minutes, ensuring safety in critical environments. The operating range of 85° to 110° (in 5° increments) offers versatility while maintaining ease of use.
Available in a range of finishes including S4 (BSPC), the N4421 is designed to blend seamlessly into any architectural style. With included fasteners for doors ranging from 1-3/4" to 1-7/8", this overhead stop is a reliable choice for architects, contractors, and facility managers seeking quality and performance.
Surface Mount Overhead Holder and Stop - Medium Duty, Surface Mounted Medium Duty - Stop, S4 (BSPC)
Surface mount medium duty overhead stop and holder providing stop, hold-open and friction functions for single acting doors in commercial applications.
N4421: Surface Mounted Medium Duty - Stop
Key Features
- Medium Duty Construction
- Surface Mount Design
- Shock Absorbing Spring
- Non-Handed Design
- UL Fire Door Listed
Specifications
| Model | N4421 |
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| Finish | S4 (BSPC) |
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| Finish Code | S4 |
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| Family | 4400 / N4400 |
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| Material | Steel |
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| Finishes | US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available |
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| Functions Available | Stop, hold-open, friction |
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| Operating Range | 85° to 110° opening (5° increments) |
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| Shock Absorption | 3° to 5° cushion before dead-stop |
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| Weight | 2 lbs. average per unit |
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| Fasteners | Sex bolts for 1-3/4" to 1-7/8" doors (included) |
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| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
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Single acting doors only. Standard installation for moderate traffic applications.
Features
- Surface Mount Design
- Shock Absorbing Spring
- UL Fire Door Listed
- Non-Handed Design
- Medium Duty Construction
Attributes
BRAND_ NAME: ABH
Family: 4400 / N4400
Fasteners: Sex bolts for 1-3/4" to 1-7/8" doors (included)
Finish: S4 (BSPC)
Finish Code: S4
Finishes: US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available
Fire Rating: UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only).
Functions Available: Stop, hold-open, friction
Material: Steel
Model: N4421
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
