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Von Duprin 9857NL-F 4 US3 Exit Device Bright Brass
Item #: 9857NL-F 4 US3 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
Trim Design
Straight Pull
Door Height
84 In.
Package Volume
2585.625
Mechanical Function
Night Latch
Color
Bright Brass
Physical Appearance
Wide Stile Pushpad
Case Width
16"
Product Width
3.75"
Hand
Non-Handed
Grade
Grade 1
Fire Rated
3 Hours {A}, Yes
Special Marks
Fire rated 3 Hours {A}
Cylinder Type
Rim
Product Height
8"
Includes Cylinder(s)
No
Device Type
3 Point
Strike Bottom
304L
Case Length
49.75"
Mechanical Options
Fire Rated Device
Package Qty
1
Door Width
34 In. - 48 In.
Package Height
10.5"
Includes Trim
Yes
Device Length
48 In.
Door Thickness
1 3/4 In. - 2 1/4 In.
Case Height
11.75"
Strike Top
299F (2)
Trim Type
Nightlatch Pull
Package Width
5"
Trim Part No.
990NL-R/V
Case Volume
9353
Color Code
605/US3
Origin
USA
BAA Qualified
Yes
Product Length
45"
Base Material
Brass
Minimum Stile Size
Wide
Door Material
Metal or Wood
Package Length
49.25"
Product Overview
Surface Three Point Latch Exit Device, with Nightlatch Pull Trim, 48 In., Fire Rated, Bright Brass
9857-F/9957-F Fire exit three-point latching device for all types of single doors up to 4' x 8' (1219mm x 2438mm) or up to 8' x 8'(2438mm x 2438mm) double doors with 9954 or 9854 mullion, UL listed for fire exit hardware. Devices are ANSI A156.3 _ 2008 Grade 1. The 9857-F device has a smooth mechanism case and the 9957-F device has a grooved case. The three-point latch device is non-handed except when the following device option is used: 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 9857 device has a smooth mechanism case.
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.