ABH N4421 Surface Mount Overhead Holder Stop - Medium Duty, S1 (ALPC)The ABH N4421 Surface Mount Overhead Holder Stop is designed for medium-duty applications, providing an efficient solution for single acting doors in commercial settings. This surface-mounted device allows for stop, hold-open, and friction functions, making it an essential component for facilities that require controlled door movement.
Constructed from durable steel, the N4421 features a shock-absorbing spring that cushions door impacts, ensuring longevity and safety. Its non-handed design simplifies installation, accommodating various door configurations without the need for modification. This overhead stop is UL Fire Door Listed, providing compliance for 20-minute wood and 90-minute hollow metal door assemblies when using the stop function, making it a reliable choice for fire-rated openings.
The N4421 operates within an opening range of 85° to 110° in 5° increments, offering flexibility to suit your facility’s needs. Available in the S1 (ALPC) finish, this product can also be customized with multiple finish options to seamlessly integrate into any aesthetic. Weighing only 2 lbs. on average, it comes complete with sex bolts for standard door thicknesses of 1-3/4" to 1-7/8". The ABH N4421 is ideal for moderate traffic areas, ensuring both functionality and style in your commercial space.
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.
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 |
|---|
| Finish | S1 (ALPC) |
|---|
| Finish Code | S1 |
|---|
| Family | 4400 / N4400 |
|---|
| Material | Steel |
|---|
| Finishes | US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available |
|---|
| Functions Available | Stop, hold-open, friction |
|---|
| Operating Range | 85° to 110° opening (5° increments) |
|---|
| Shock Absorption | 3° to 5° cushion before dead-stop |
|---|
| Weight | 2 lbs. average per unit |
|---|
| Fasteners | Sex bolts for 1-3/4" to 1-7/8" doors (included) |
|---|
| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
|---|
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: N4421
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
