ABH N4021 Concealed Mount Overhead Holder Stop - Medium Duty, S2 (BSPC)The ABH N4021 Concealed Mount Overhead Holder Stop is expertly designed for medium-duty applications, making it an ideal choice for architects, contractors, and facility managers seeking reliability and elegance in commercial settings. This concealed mount unit offers three essential functions-stop, hold-open, and friction-effectively handling moderate traffic and medium weight doors with ease.
Constructed from sturdy steel, the N4021 is built to withstand daily use while maintaining its performance. With a weight of approximately 2 lbs. per unit, its robust design ensures durability without compromising functionality. The overhead holder stop accommodates both single and double-acting doors, with an operating range of 85° to 110° in 5° increments, making it versatile for various configurations.
This model is UL listed for fire door assemblies, certified for both 20-minute wood and 90-minute hollow metal doors (stop function only), ensuring compliance with safety standards. The shock-absorbing spring provides a 3° to 5° cushion before reaching a dead stop, protecting both the door and the frame.
Available in the S2 (BSPC) finish, the N4021 not only meets functional demands but also enhances the aesthetic of any space. For those requiring customized options, various finishes are available, ensuring a perfect match for your project needs.
Concealed Mount Overhead Holder and Stop - Medium Duty, Concealed Mount Medium Duty - Stop, S2 (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 | S2 (BSPC) |
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| Finish Code | S2 |
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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: S2 (BSPC)
Finish Code: S2
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
