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Von Duprin 9957NL 4 US28 Exit Device Satin Aluminum Clear Anodized
Item #: 9957NL 4 US28 by Von Duprin
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Features
- Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
- Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
- Device centerline from finished floor: 3913/16" (1011 mm)
- Center case dimensions: 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
- Mechanism case dimensions: 2 1/4" x 2 1/4" (57mm x 57mm)
- Projection: Pushbar neutral – 3 13/16" (97 mm) Pushbar depressed – 3 1/16" (78 mm)
- Latch bolt: Deadlocking anti-friction top & bottom bolt, 5 /8" (16mm) throw Deadlocking rim bolt, 3 /4" (19mm) throw
- Door undercut: 1 /4" (7mm) recommended
- Top & bottom Latch case: 4 1/2" x 2 1/8" x 1 1/2" (114mm x 54mm x 38mm)
- Vertical rods: 1 /2" square tubing, standard rods accommodate 7' (2134mm) doors. Top rod length: 34 15/16" (887mm); Bottom rod length: 31 1/2" (794mm) Extension rods available in 1' (205mm) or 3' (914mm) for doors over 7'. One piece top rod is available for 8' (2438mm) and 10' (3048mm) doors.
- Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) to 2 1/4" (57mm) thick metal or wood doors, and 325 SNB for top and bottom latch. Optional 425 SNB available.
Door Height
7 Ft.
Package Volume
2585.625
Color
Satin Aluminum Clear Anodized
Physical Appearance
Wide Stile Pushpad
Case Width
16"
Product Width
3.75"
Hand
Non-Handed
Grade
Grade 1
Fire Rated
No
Cylinder Type
Rim
Product Height
8"
Includes Cylinder(s)
No
Device Type
3 Point
Strike Bottom
304L/284L
Case Length
49.75"
Package Qty
1
Door Width
2 Ft. 10 In. - 4 Ft.
Package Height
10.5"
Includes Trim
Yes
Device Length
48 In.
Door Thickness
1-3/4" - 2-1/4"
Case Height
11.75"
Strike Top
299
Trim Type
Nightlatch Pull
Package Width
5"
Trim Part No.
990NL-R&V
Case Volume
9353
Color Code
628/US28
Origin
USA
BAA Qualified
Yes
Product Length
45"
Dogging Options
Hex Key Dogging
Base Material
Aluminum
Minimum Stile Size
4-1/2"
Door Material
Metal or Wood
Package Length
49.25"
Product Overview
3-Point Locking Exit Device, with Nightlatch Pull Trim, Aluminum
9857/9957 Three-point latching device for all types of single or double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 - 2008 Grade 1. Covers stock hollow metal doors with 86 or 161 cutouts. The 9857 device has a smooth mechanism case and the 9957 device has a grooved case. The three-point latching device is non-handed except when the following device options are used: SD (special dogging), or SS (signal switch). Vertical rod and latch guards are available to protect the bottom rod of the exit device from damage by impacts of carts or gurneys passing through doors. Finishes - US3, US3A, US4, US4A, US10, US26, US26D, US26D-AM Antimicrobial, US28, 313, 315 & 643E. US15 and US32D available with 98 Series only.
The 9957 Series covers stock hollow metal doors with 86 or 161 cutouts.
The 9957 Series by Von Duprin has a grooved case and is UL listed for panic exit hardware. The three-point latching device is non-handed except when the following device options are used: SD (special dogging), or SS (signal switch).