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Von Duprin 9957L-NL-01 3 US28 LHR Exit Device Satin Aluminum Clear Anodized
Item #: 9957L-NL-01 3 US28 LHR 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.
Grade
Grade 1
Hand
LHR
Color
Satin Aluminum Clear Anodized
Color Code
628/US28
Case Length
41"
Door Thickness
1-3/4" - 2-1/4"
Door Width
2 Ft. 4 In. - 3 Ft.
Device Length
36 In.
Door Height
7 Ft.
Cylinder Type
Rim
Fire Rated
No
Trim Design
01 - Lever
Origin
USA
BAA Qualified
Yes
Package Height
10.5"
Package Length
36.75"
Package Volume
1929.375
Package Width
5"
Case Height
11.75"
Case Volume
7708
Case Width
16"
Device Type
3 Point
Dogging Options
Hex Key Dogging
Includes Cylinder(s)
No
Includes Trim
Yes
Minimum Stile Size
4-1/2"
Package Qty
1
Physical Appearance
Wide Stile Pushpad
Product Height
8"
Product Length
33"
Product Width
3.75"
Strike Bottom
304L/284L
Strike Top
299
Trim Type
Nightlatch Lever
Trim Part No.
996L-NL-R&V
Base Material
Aluminum
Door Material
Metal or Wood
Handing
Left Hand Reverse
Product Overview
3-Point Locking Exit Device, with Nightlatch Lever 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).