Von Duprin 3547AEO 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin 3547AEO 3 US28 Grade 1 Narrow CVR Exit is a high-quality concealed vertical rod exit device designed for commercial applications. This Grade 1 exit solution features a narrow stile pushpad, measuring 36 inches, and is specifically engineered for exit-only functionality. Its hex key dogging mechanism provides enhanced security and ease of use, while the satin aluminum clear anodized finish ensures durability and a polished appearance. This versatile device is suitable for both single and double doors, complying with ANSI A156.3 – 2008 Grade 1 standards and UL listed for panic exit hardware. With the ability to fit door stiles as narrow as 2-1/8 inches, it accommodates a range of door widths from 28 to 36 inches and heights up to 100 inches. The 3547A model features a smooth mechanism case and a one-piece center case cover, ensuring streamlined operation. Adjustment options for vertical rods allow for precise fitting, with top rods adjustable from 6'8" to 8'4" and bottom rods from 35 5/8" to 49 5/8". Offering a three-year limited warranty, this exit device guarantees reliability for your building's safety needs. Ideal for professionals seeking a dependable exit solution, the Von Duprin 3547AEO exemplifies quality and performance.

Grade 1 Narrow CVR Exit 628

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Hex Key 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