Von Duprin 3527AEO 3 643E Grade 1 Narrow SVR Exit Device 643E

Von Duprin 3527AEO 3 643E Grade 1 Narrow SVR Exit Device offers a reliable and robust solution for emergency exits in commercial settings. Designed with a Grade 1 rating, this surface vertical rod exit device features a narrow stile pushpad and is perfect for both single and double doors. With an exit-only function and hex key dogging, it ensures quick access during emergencies while maintaining security. Crafted from durable steel, the 3527AEO is finished in Aged Bronze, adding a touch of elegance to its functionality. It is non-handed, making installation straightforward, and is UL listed for panic exit hardware, complying with ANSI A156.3 – 2008 standards. The device accommodates door widths from 28" to 36" and heights up to 84", with a projection of 3 13/16" when the pushbar is neutral. The top and bottom latch bolts are deadlocking and anti-friction, with a 5/8" throw, ensuring secure closure. The vertical rods are designed to fit standard 7' doors, with extension options available for taller doors. This exit device is an excellent choice for professionals seeking a reliable, stylish, and code-compliant solution for emergency egress.

Grade 1 Narrow SVR Exit 643E

Grade 1 Surface Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Hex Key Dogging, Aged Bronze Finish, Non-Handed

3327A and 3527A for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 ñ 2008 Grade 1. The 3527A has a smooth mechanism case and the 3327A has grooved case. The surface vertical rod device is non-handed except when the SS (signal switch) option is used. See opposite page for available outside trim and device functions.

For all types of single and double doors, UL listed for panic exit hardware.

 The surface vertical rod device is non-handed except when the SS (signal switch) option is used. 

• Device lengths: 2' 2' (610 mm) Door size 3' 2'4" to 3' (660mm to 914 mm) door size 4' 2'8" to 4' (813 mm to 1219 mm) door size
• Device centerline from finished floor: 39 13/16" (1006mm) Center case dimensions 8 13/16" x 2 13/32" x 1 9/16" (208mm x 62mm x 40mm)
• 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
• Door undercut: 1 /4" (7mm)
• Top & bottom latch: 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) door Top rod length is 34 15/16" (887mm) Bottom rod length is 31 1/4" (794mm) Extension rods available 1' (205mm) or 3' (914mm) for doors over 7' One piece top rod available for 8' (2438mm) -10' (3048mm) door
• Fasteners & sex bolts (SNB): Includes 1 3/4" (44mm) – 2 1/4" (57mm) wood & metal doors #425 SNB furnished standard for end case #325 SNB furnished standard for EO (exit only device) #325 SNB furnished for top and bottom latches

Resources

• 33/3527A & 33/3527A-F Series Wood Door Template
• 33/3527A-F-LBR Series Wood Door Template
• EL for Exit Devices Data Sheet
• SS333NL/TP Trim for 33/3527 Device Metal Door Installation Instructions
• Von Duprin Finishes Chart