Von Duprin 9957NL 3 26D Grade 1 3-Point Exit Device, Finish 626

Von Duprin 9957NL 3 26D Grade 1 3Pt Exit Device 626 offers a robust solution for securing both single and double doors. This Grade 1 three-point exit device measures 36 inches and is designed for doors up to 84 inches in height. It features a night latch function and an escutcheon pull, ensuring easy access while maintaining security. Crafted to cover stock hollow metal doors with 86 or 161 cutouts, the 9957 series is UL listed for panic exit hardware, providing peace of mind in emergency situations. Its non-handed design simplifies installation, and with hex dogging for added convenience, it’s adaptable to various settings. Vertical rod and latch guards are available to protect against damage from carts or gurneys, enhancing durability. The device includes a deadlocking anti-friction bolt with a 5/8-inch throw, and a 3/4-inch throw deadlocking rim bolt, ensuring reliable locking. Suitable for commercial use, this device accommodates door thicknesses from 1-3/4 to 2-1/4 inches and comes in a sleek satin chrome finish. With a limited warranty of three years, the Von Duprin 9957NL is a trusted choice for professionals seeking high-quality exit solutions.

Grade 1 3Pt Exit Device 626

Grade 1 Three-Point Exit Bar, 36" Device, 84" Door Height, Night Latch Function, Escutcheon Pull, Hex Dogging, Satin Chrome Finish, Field Reversible

9857/9957 Three-point latching device for all types of single or double doors, UL listed for panic exit hardware. Covers stock hollow metal doors with 86 or 161 cutouts. 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.

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). 

• 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.

Resources

• 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 33/99 LD Kit Installation Instructions
• Von Duprin Exit Alarm Kit Sell Sheet
• Von Duprin Finishes Chart
• Von Duprin Pneumatic Exit Device Installation Instructions