ABH N4423 Surface Mount Overhead Stop - Medium Duty, S1 (ALPC)The ABH N4423 Surface Mount Overhead Holder Stop is expertly designed for medium-duty applications in commercial environments, providing a reliable solution for single acting doors. This product combines stop, hold-open, and friction functionalities, making it versatile for various operational requirements.
Constructed from robust steel, the N4423 ensures durability and longevity. Its surface mount design facilitates easy installation on doors measuring 1-3/4" to 1-7/8" thick, with included sex bolts for a secure fit. The non-handed design allows for flexible application, accommodating different door configurations seamlessly.
With an operating range of 85° to 110° in 5° increments, the N4423 effectively manages door movement, while its shock-absorbing spring provides a 3° to 5° cushion before reaching a dead stop, minimizing wear and tear. Additionally, the unit is UL Fire Door Listed for 20-minute wood and 90-minute hollow metal door assemblies when used in the stop function, ensuring compliance with safety standards.
Available in a variety of finishes, including S1 (ALPC), the N4423 is not only functional but also aesthetically versatile, making it an ideal choice for architects, contractors, and facility managers seeking reliability and style in commercial door hardware.
Surface Mount Overhead Holder and Stop - Medium Duty, Surface Mounted Medium Duty - Stop, S1 (ALPC)
Surface mount medium duty overhead stop and holder providing stop, hold-open and friction functions for single acting doors in commercial applications.
N4423: 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 | N4423 |
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| Finish | S1 (ALPC) |
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| Finish Code | S1 |
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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: S1 (ALPC)
Finish Code: S1
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: N4423
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
