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Von Duprin CXA9957L-NL-01 4 643E L RGO Delayed Egress Exit Device Aged Bronze
Item #: CXA9957L-NL-01 4 643E L RGO 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 Material
Metal or Wood
Minimum Stile Size
Wide
Base Material
Steel
Color Code
643E/US11E
Trim Part No.
996L-NL-R/V
Design A
01 Lever
Trim Type
Nightlatch Lever
Strike Top
299 (2) / 248L-4
Door Thickness
1 3/4 In. - 2 1/4 In.
Device Length
48 In.
Includes Trim
Yes
Door Width
34 In. - 48 In.
Package Qty
1
Strike Bottom
304L
Device Type
3 Point
Includes Cylinder(s)
No
Cylinder Type
Rim
Fire Rated
No
Grade
Grade 1
Hand
LHR
Physical Appearance
Wide Stile Pushpad
Color
Aged Bronze
Mechanical Function
Lever Night Latch
Door Height
84 In.
Trim Design
01-Lever
Origin
USA
BAA Qualified
Yes
Package Height
10.5
Package Length
49
Package Volume
2572.5
Package Width
5
Product Overview
Delayed Egress Exit Device, Three Point Latch, with Nightlatch Lever Trim, Aged Bronze
The Von Duprin CHEXIT is a delayed egress option available on all 98/99, 98/99XP and 33A/35A series exit devices. It is commonly used in behavioral health, memory care, and maternity applications to prevent patient abduction or elopement and in retail stores for asset protection. All control inputs, auxiliary locking, local alarm and remote signaling outputs are self-contained. The CHEXIT can easily be integrated with access control, fire prevention and infant protection systems.
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).