Von Duprin 9957EO-F 3 US28 Grade 1 3-Point Exit Device 628

Von Duprin 9957EO-F 3 US28 Grade 1 3Pt Exit Device 628 is designed for maximum security and accessibility in commercial environments. This Grade 1 three-point exit bar is fire-rated and suitable for doors up to 84 inches in height, ensuring compliance with safety standards. The satin aluminum clear anodized finish not only adds a sleek appearance but also enhances durability. This exit device features a three-point latching mechanism that is ideal for both single and double doors, specifically designed to cover stock hollow metal doors with 86 or 161 cutouts. The non-handed design simplifies installation, while the device's field-reversible capability allows for versatility in application. Built with anti-friction deadlocking bolts that provide reliable security, the 9957 Series also includes optional vertical rod and latch guards to protect against damage from high-traffic scenarios. With a projection of just 3 13/16" when neutral, it ensures a streamlined profile. The device is shipped with a complete screw pack suitable for various door thicknesses and is UL listed for panic exit hardware, making it an excellent choice for ensuring safe egress in emergency situations. For a reliable, durable exit solution, the Von Duprin 9957EO-F is a top-tier choice in door hardware.

Grade 1 3Pt Exit Device 628

Grade 1 Three-Point Exit Bar, 36" Fire-rated Device, 84" Door Height, Exit Only, Less Dogging, Satin Aluminum Clear Anodized 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