Von Duprin CD3547AEO 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin CD3547AEO 3 US28 Grade 1 Narrow CVR Exit 628 is a top-tier concealed vertical rod exit device designed for both single and double doors. This Grade 1 model features a narrow stile pushpad with a sleek satin aluminum clear anodized finish, ensuring durability and aesthetic appeal in any commercial setting. With a device length of 36 inches, it fits door sizes ranging from 28" to 36" wide and is engineered for easy installation on hollow metal doors. The CD3547AEO incorporates cylinder dogging, providing secure locking capabilities while maintaining a non-handed design for versatile application. This exit device is UL listed for panic exit hardware, meeting stringent ANSI A156.3 - 2008 Grade 1 standards, making it reliable for high-traffic environments. Its smooth mechanism case enhances functionality, while the deadlocking anti-friction top and bottom bolts ensure safety with a 5/8" throw. Adjustable vertical rods accommodate door heights up to 100 inches, with extension rod kits available for taller doors. The device is designed for ease of use and maintenance, with minimal undercut requirements and a user-friendly pushbar. Ideal for commercial applications, the Von Duprin CD3547AEO combines security, performance, and a modern look to keep your spaces safe and accessible.

Grade 1 Narrow CVR Exit 628

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Cylinder Dogging, Satin Aluminum Clear Anodized Finish, Non-Handed

3347A and 3547A for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 ñ 2008 Grade 1. The 3547A has a smooth mechanism case and the 3347A has grooved case. The concealed 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.

Finishes – US3, US4, US10, US15 (35A Only) US26, US26D, US26D-AM,US28, 313 and 315.

The concealed vertical rod device is non-handed except when the SS (signal switch) option is used. /3547A fits door stiles as narrow as 2-1/8" (44 mm), wood door stiles as narrow as 4" (102mm). Newly designed device has a one piece center case cover.

• 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: 3 3/4" x 1 1/2" x 1" (89mm x 38mm x 25mm)
• Vertical rods: Round 2 piece adjustable rods Top rod adjustable from 6'8" (2027mm) to 8'4" (2533mm) Bottom rod adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm) Extension rod kits available for doors over 8'4" (2533mm)
• 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)

Resources

• 33/3547A-WDC & 33/3547A-WDC-F Series Wood Door Template
• 33/3547A-WDC-F-LBR Series Wood Door Template
• 372L-DT Control for 33/3547/47-F Metal Door Installation Instructions
• EL for Exit Devices Data Sheet
• Von Duprin Finishes Chart