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

Von Duprin 9957EO 3 US28 Grade 1 3Pt Exit Device 628 is a robust solution designed for high-traffic areas requiring reliable emergency egress. This Grade 1, three-point exit device features a 36" length and is suitable for 84" door heights, ensuring safety and durability in commercial settings. The satin aluminum clear anodized finish not only enhances its aesthetic appeal but also provides exceptional resistance to wear. Engineered for use on single or double doors with 86 or 161 cutouts, the 9957EO is UL listed for panic exit hardware, ensuring compliance with safety standards. The device incorporates hex dogging for secure locking and is field-reversible, accommodating various installation layouts. Its non-handed design simplifies installation, while the three-point latching mechanism enhances security by utilizing a deadlocking anti-friction bolt at the top and bottom. Additional features include vertical rods made from ½" square tubing, which can accommodate doors up to 7' tall. Optional extension rods are available for taller doors. The device is packaged with all necessary fasteners and sex bolts, making it a versatile choice for both metal and wood doors. With a limited 3-year warranty, the Von Duprin 9957EO provides peace of mind for building professionals and property owners alike.

Grade 1 3Pt Exit Device 628

Grade 1 Three-Point Exit Bar, 36" Device, 84" Door Height, Exit Only, Hex 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