Von Duprin 3547AL-06 3 US28 LHR Grade 1 Narrow CVR Exit Device 628

Von Duprin 3547AL-06 3 US28 LHR Grade 1 Narrow CVR Exit 628 is a Grade 1 concealed vertical rod exit device designed to deliver reliable performance in commercial settings. This device features a narrow stile pushpad, making it ideal for doors with limited space. With a length of 36 inches, it accommodates classroom function needs and is equipped with a lever handle and escutcheon for easy operation. Engineered to meet ANSI A156.3 – 2008 Grade 1 standards, the 3547AL offers exceptional durability and security, including UL listing for panic exit hardware. It boasts hex key dogging for added convenience and is crafted from high-quality aluminum with a satin clear anodized finish, ensuring both aesthetics and resilience. Designed for versatility, the device fits door stiles as narrow as 2-1/8 inches and can be installed on both single and double doors. Its adjustable vertical rods allow for precise fitting, with the top rod extending from 6'8" to 8'4" and the bottom rod from 35 5/8" to 49 5/8". The 3547AL's deadlocking anti-friction latch bolt enhances security with a 5/8-inch throw, making it a reliable choice for high-traffic areas. Overall, this exit device combines functionality with a sleek design, making it a superior option for any commercial building.

Grade 1 Narrow CVR Exit 628

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Classroom Function, Lever with Escutcheon, Hex Key Dogging, Satin Aluminum Clear Anodized Finish, Left-Hand Reverse

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