Von Duprin 3348AEO 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin 3348AEO 3 US28 Grade 1 Narrow CVR Exit 628 is designed to provide reliable safety and convenience for commercial applications. This concealed vertical rod exit device features a sleek satin aluminum clear anodized finish, making it not only functional but also aesthetically pleasing. Engineered for both single and double doors, it complies with UL standards for panic exit hardware, ensuring peace of mind in emergency situations. The 3348A model boasts a non-handed design, simplifying installation and operation for various door configurations. With device lengths adaptable for door sizes ranging from 2' to 4', it fits narrow stiles as slim as 1 3/4" (44 mm). The innovative one-piece center case cover enhances durability, while the round, two-piece adjustable vertical rods allow for precise height adjustments from 6'8" to 8'4". Equipped with hex key dogging as a standard feature, this exit device ensures ease of use without compromising security. Its deadlocking anti-friction top and bottom bolts provide an additional layer of protection. The 3348AEO not only meets ANSI A156.3 Grade 1 standards but also reflects Von Duprin's commitment to quality and performance in door hardware solutions. Perfect for hollow metal doors, it’s an essential addition to any commercial establishment.

Grade 1 Narrow CVR Exit 628

Narrow Style, Concealed Vertical Rod Exit Device, Satin Aluminum Clear Anodized

3348A and 3548A for all types of single and double doors, UL listed for Panic Exit Hardware. Devices are ANSI A156.3 - 2001 Grade 1. The 3548A has a smooth mechanism case and the 3348A has grooved case. The concealed vertical rod device is non-handed except when the SS (Signal Switch) option is used. 3348A/3548A fits door stiles as narrow as 1 3/4"(44 mm). Newly designed device has a one piece center case cover. Device Lengths: 3' 2'4" to 3' Door Size; 4' 2'10" to 4' Door Size. Hex key dogging standard. Vertical Rods: Round 2 piece adjustable rods; Top rod adjustable from 6'8" to 8'4".

For Hollow metal single and double doors, UL listed for panic exit hardware.

Devices are ANSI A156.3 – 2001 Grade 1.  The 3348A has grooved case.The concealed 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) Standard, adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
• 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 3 /4" (19mm) throw Deadlocking anti-friction top & bottom bolt 1 1 /2" (38mm) throw
• Door undercut: 3 /4" (19mm)
• Top & bottom: latch 4 1/2" x 2 7/8" x 1 1/2" (114mm x 54mm x 38mm)
• 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

• 33/9948 Retrokit Installation Instructions
• EL for Exit Devices Data Sheet
• QEL Data Sheet
• QEL Sell Sheet
• Quiet Electric Latch FAQ
• 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