Von Duprin QEL3327AEO 3 643E LBR Grade 1 Narrow SVR Exit Device 643E

Von Duprin QEL3327AEO 3 643E LBR Grade 1 Narrow SVR Exit 643E is a robust surface vertical rod exit device designed for commercial applications. Featuring a narrow stile pushpad and a sleek aged bronze finish, this exit device ensures both functionality and aesthetic appeal. With a length of 36 inches and a mechanical function of exit only, it is expertly crafted for both single and double doors, accommodating door sizes from 28 inches to 36 inches wide. This Grade 1 device is ANSI A156.3 – 2008 certified and UL listed for panic exit hardware, offering peace of mind during emergencies. Its quiet electric latch retraction enhances user experience by minimizing noise while providing reliable security. The non-handed design allows for easy installation on various door styles, with a mechanism case dimension of 8 13/16" x 2 13/32" x 1 9/16". The device includes a deadlocking anti-friction latch bolt with a 5/8" throw, ensuring secure closure. With top and bottom rods that accommodate doors up to 7 feet, extension rods are available for taller installations. The Von Duprin QEL3327AEO is backed by a three-year limited warranty, making it an ideal choice for building professionals and knowledgeable homeowners seeking quality door hardware solutions.

Grade 1 Narrow SVR Exit 643E

Grade 1 Surface Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Less Dogging, Quiet Electric Latch Retraction, 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 Series Surface Vertical Rod Exit Device Cut Sheet
• 3327A/3527A Installation Instructions
• 3327A/3527A Surface Vertical Rod Exit Device Service Manual
• 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