Description
Von Duprin 9857NL-F 4 643E Grade 1 643E 3-Point Exit Device
Von Duprin 9857NL-F 4 643E Grade 1 3Pt Exit Device 643E delivers robust security and reliable performance for commercial settings. This Grade 1 three-point exit bar is designed for doors up to 84 inches in height and features a night latch function, ensuring safe and efficient egress in emergency situations. The device is crafted for both single and double doors and is UL listed for panic exit hardware, providing peace of mind for building professionals and occupants alike. Constructed with a durable aged bronze finish, the 9857NL-F can accommodate standard hollow metal doors with 86 or 161 cutouts. Its three-point latching mechanism enhances security, while the smooth mechanism case ensures easy operation. The device is field reversible, adding to its versatility across various installations. With dimensions that include a center case measuring 8″ x 2 ¾” and a projection of 3 13/16″ when neutral, the 9857NL-F is designed to fit seamlessly into your commercial space. The latch bolt features a deadlocking anti-friction design, ensuring reliable performance over time. Ideal for high-traffic areas, this exit device combines functionality with an elegant aesthetic, making it an essential choice for modern commercial applications.
Grade 1 3Pt Exit Device 643E
Grade 1 Three-Point Exit Bar, 48″ Fire-rated Device, 84″ Door Height, Night Latch Function, Escutcheon Pull, Less Dogging, Aged Bronze Finish, Field Reversible
9857/9957 Three-point latching device for all types of single or double doors, UL listed for panicexit hardware. Covers stock hollow metal doors with 86 or 161 cutouts. Vertical rod andlatch guards are available to protect the bottom rod of the exit device from damage by impactsof carts or gurneys passing through doors.
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.
- 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
Attributes
Manufacturer surcharge: 4.5%
Accessible: No
Ada Compliance: No
Ansi: A156.3 2008
Baa Qualified: Yes
Burglar Rated: No
Commercial Residential: Commercial
Country of origin: USA
Device Length: 48″
Device Type: Three-Point Locking
Dogging Options: Less Dogging
Door Height: 84″
Door Material: Metal
Door Thickness: 1-3/4″ to 2-1/4″
Door Width: 34″ to 48″
Finish: 643E/US11E
Finish Family: Dark Bronze
Fire Rated: Yes
Fire Rating: Yes {Variable}
Grade: Grade 1
Handing: Non-Handed
Includes Cylinders: No
Includes Trim: Yes
Installation: Commercial
Limited Warranty: 3 Years
Mechanical Function: Night Latch
Minimum Stile Size: 4-1/2″
Origin: USA
Pack Height: 10.5″
Pack Height 2: 11.75″
Pack Length: 49″
Pack Length 2: 50″
Pack Qty: 1
Pack Volume: 2572.5 in³
Pack Volume 2: 9400 in³
Pack Width: 5″
Pack Width 2: 16″
Physical Appearance: Wide Stile Pushpad
Product Height: 8″
Product Length: 45″
Product Width: 3.75″
Restrictions: None
Reversible: Yes
Series: 9857 3-Point Locking Exit Device
Ship Weight: 22 lbs.
Strike Bottom: 304L
Strike Standard: 299F
Subtype: Three-Point Locking Exit Devices
Top Strike: 299F
Trim Design: Escutcheon Pull
Trim Part No: 990NL-R/V 643E
Trim Type: Pull
Type: Exit Devices
Ul Listing: UL 10C
Unit of Measure: Each
Unit of Measure 2: Case
Unit of Measure 2 Qty: 3
Resources
- 9857 3-Point Locking Exit Device Cut Sheet
- QEL 98/99 Baseplate Conversion Series Installation Instructions
- QEL Conversion Kit for 98/99 Series Installation Instructions
- QEL Data Sheet
- QEL Sell Sheet
- Quiet Electric Latch FAQ
- Von Duprin 33/35 and 98/99 ALK Alarm Kit Installation Instructions
- Von Duprin 33/35 and 98/99 End Cap Retrofit Kit Installation Instructions
- Von Duprin Exit Alarm Kit Sell Sheet
- Von Duprin Finishes Chart
- Von Duprin LD Cover Plate for 33/35 & 98/99 Exit Devices Installation Instruction
- Von Duprin Pneumatic Exit Device Installation Instructions
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