ABH N4021 Concealed Mount Overhead Holder Stop - Medium Duty, S4 (BSPC)The ABH N4021 Concealed Mount Overhead Holder Stop is expertly designed for moderate traffic environments, making it an ideal choice for commercial applications. This medium-duty overhead holder and stop offers essential stop, hold-open, and friction functions, accommodating both single and double-acting doors.
Constructed from durable steel, the N4021 ensures long-lasting performance and reliability. Its concealed mount design provides a clean aesthetic while maintaining functionality. The shock-absorbing spring offers a smooth operation, delivering a 3° to 5° cushion before reaching a dead stop, effectively reducing wear and tear on the door and hardware.
This model is UL Listed for fire door assemblies, ensuring compliance with safety standards for the stop function only, compatible with 20-minute wood and 90-minute hollow metal door assemblies. The operating range allows door openings from 85° to 110° in 5° increments, and it is suitable for doors with a minimum thickness of 1-3/8". Available in the S4 (BSPC) finish, with multiple custom finishes upon request, the N4021 is a versatile and functional addition to any architectural or facility management project.
Concealed Mount Overhead Holder and Stop - Medium Duty, Concealed Mount Medium Duty - Stop, S4 (BSPC)
Concealed mount medium duty overhead holder and stop providing stop, hold-open and friction functions for moderate traffic and medium weight doors in commercial applications.
N4021: Concealed Mount Medium Duty - Stop
Key Features
- Concealed Mount Design
- Medium Duty Construction
- Single or Double Acting
- Shock Absorbing Spring
- UL Listed for Fire Door Assemblies (Stop Function Only)
Specifications
| Model | N4021 |
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| Finish | S4 (BSPC) |
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| Finish Code | S4 |
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| Family | 4000 / N4000 |
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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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| Door Configuration | Single or double acting |
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| Operating Range | 85° to 110° opening (5° increments) |
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| Door Thickness | 1-3/8" minimum |
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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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| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
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Non-handed design. For interior or exterior use on moderate traffic applications.
Features
- Shock Absorbing Spring
- Single or Double Acting
- UL Listed for Fire Door Assemblies (Stop Function Only)
- Concealed Mount Design
- Medium Duty Construction
Attributes
BRAND_ NAME: ABH
Door Configuration: Single or double acting
Door Thickness: 1-3/8" minimum
Family: 4000 / N4000
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: N4021
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
