Von Duprin 9857EO 4 US28 Grade 1 3-Point Exit Device 628

Von Duprin 9857EO 4 US28 Grade 1 3Pt Exit Device 628 offers a reliable and robust solution for securing exits in commercial environments. This Grade 1 three-point exit bar is designed to fit doors measuring 48 inches and up to 84 inches in height, ensuring compliance with UL standards for panic exit hardware. Featuring hex dogging, the device can be easily activated to keep the exit open when necessary. The 9857 model accommodates various door types, including single and double doors, and is engineered for installation on standard hollow metal doors with 86 or 161 cutouts. Its smooth mechanism case contributes to seamless operation. The deadlocking anti-friction top and bottom bolts provide enhanced security, while the field-reversible design allows for flexible installation options. With a projection of 3 13/16 inches when neutral and 3 1/16 inches when depressed, this device is both functional and user-friendly. It includes fasteners for doors ranging from 1-3/4 inches to 2-1/4 inches thick, making it adaptable to various applications. Additionally, vertical rod extensions are available for taller doors. Built to last, the Von Duprin 9857EO is an exceptional choice for those prioritizing safety and durability in their exit hardware solutions.

Grade 1 3Pt Exit Device 628

Grade 1 Three-Point Exit Bar, 48" 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 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

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