Von Duprin CD3327AEO 3 643E LBR Grade 1 Narrow SVR Exit Device 643E

Von Duprin CD3327AEO 3 643E LBR Grade 1 Narrow SVR Exit 643E is a top-tier surface vertical rod exit device designed for commercial applications. This Grade 1 device features a narrow stile pushpad and is ideal for both single and double doors, ensuring reliable performance and safety. With a length of 36 inches and an aged bronze finish, it not only meets functionality standards but also complements various architectural styles. The CD3327AEO is UL listed for panic exit hardware and adheres to ANSI A156.3 – 2008 standards, providing peace of mind for high-traffic environments. Its non-handed design simplifies installation, while the cylinder dogging feature enhances security by allowing the device to be held in the open position when needed. The deadlocking anti-friction latch bolts ensure smooth operation and durability. Designed for 84-inch doors with a thickness of 1-3/4 inches, this exit device accommodates door widths ranging from 28 to 36 inches. It includes top and bottom latches and allows for extension rods for taller doors. The CD3327AEO is an excellent choice for those seeking a reliable, durable, and visually appealing exit solution. With a limited three-year warranty, it promises lasting quality and peace of mind for building professionals and homeowners alike.

Grade 1 Narrow SVR Exit 643E

Grade 1 Surface Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Cylinder Dogging, Less Bottom Rod, 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 - 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.

Devices are ANSI A156.3 – 2001 Grade 1.

The 3327A has grooved case and 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

• 3327A Series Surface Vertical Rod Exit Device Cut Sheet
• 3327A/3527A Installation Instructions
• 3327A/3527A Surface Vertical Rod Exit Device Service Manual
• EL for Exit Devices Data Sheet
• QEL Data Sheet
• QEL Sell Sheet
• Quiet Electric Latch FAQ
• SS333NL/TP Trim for 33/3527 Device Metal Door Installation Instructions
• 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