Von Duprin QEL9947NL-OP-F 3 US28 Grade 1 CVR Exit Device 628

Von Duprin QEL9947NL-OP-F 3 US28 Grade 1 CVR Exit Device 628 combines advanced engineering with practical functionality for commercial applications. Designed as a concealed vertical rod exit bar, this Grade 1 device features a wide stile pushpad and is ideal for fire-rated installations with a door height ranging from 80" to 100". The motorized latch retraction mechanism enhances ease of use, while its nightlatch function ensures security without compromising accessibility. The device is UL listed for panic exit hardware, making it a reliable choice for safety in high-traffic areas. With a satin aluminum clear anodized finish, the QEL9947NL-OP-F is aesthetically pleasing and durable, perfect for both single and double metal doors. Field-reversible handing allows for flexible installation, accommodating various door configurations. Measuring 36" in length, the exit device is compatible with doors 28" to 36" wide and 1-3/4" to 2-1/4" thick. Its adjustable vertical rods and deadlocking latch bolts provide enhanced security, while optional extension rod kits are available for taller doors. With a limited warranty of one year, the Von Duprin QEL9947NL-OP-F is an exceptional choice for building professionals and discerning homeowners alike, prioritizing safety, style, and functionality.

Grade 1 CVR Exit Device 628

Grade 1 Concealed Vertical Rod Exit Bar, Wide Stile Pushpad, 36" Fire-rated Device, 80" to 100" Door Height, Nightlatch Function, Motorized Latch Retraction, Less Dogging, Satin Aluminum Clear Anodized Finish, Field Reversible

9847/9947 Concealed vertical rod device for use on single or double metal doors, UL listed for panic exit hardware. The 9847 device has a smooth mechanism case and the 9947 device has a grooved case.

Grade 1 exit devices available in an array of finishes.

The 9947 Series by Von Duprin is UL listed for panic exit hardware. Devices are ANSI A156.3 - 2008 Grade 1 with a grooved case.

• Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
• Device lengths:
  • 2' — 2' (610 mm) Door size
  • 3' — 2' 4' to 3' (711 mm to 914 mm) door size
  • 4' — 2' 10" to 4' (864 mm to 1219 mm) door size
• Device centerline from finished floor:
  • 39-5/8" (1006 mm) Standard
  • Adjustable from 35-5/8" (905 mm) to 49-5/8" (1260 mm)
• Center case dimensions: 8" x 2-3/4" x 2-3/8" (203 mm x 70 mm x 60 mm)
• Mechanism case dimensions: 2-1/4" x 2-1/4" (57 mm x 57 mm)
• Projection:
  • Pushbar neutral — 3-13/16" (97 mm)
  • Pushbar depressed — 3-1/16" (78 mm)
• Latch bolt: Deadlocking top & bottom bolt, 5/8" (16 mm) throw
• Door undercut: 1/4" (7 mm) recommended
• Top & bottom Latch case: 4-1/2" x 2-1/8" x 1-1/2" (114 mm x 54 mm x 38 mm)
• Vertical rods:
  • Round 2-piece adjustable rods
  • Top rod adjustable from 6' 8" (2027 mm) to 8'4" (2533 mm).
  • Bottom rod adjustable 35-5/8" (905 mm) to 49-5/8" (1260 mm).
  • Extension rod kits available for doors over 8' 4" (2533 mm).
• Fasteners & sex bolts (SNB): Includes screw pack for 1-3/4" (44 mm) to 2-1/4" (57 mm) thick metal doors. Optional 425 SNB available.

Resources

• 10 Things You Need to Know About the Von Duprin Chexit
• 283 Strike Application for 98/9947-WDC, 33/3547-WDC, & 33/3547A-WDC Wood Door Template
• 98/9947 Service Manual
• 98/9947F and 98/9948F Template
• CX98/9947 and CX98/9948 Template
• CX98/9947WDC Installations Instructions
• Chexit (CX) Data Sheet
• QEL 98/99 Baseplate Conversion Series Installation Instructions
• QEL Conversion Kit for 98/99 Series Installation Instructions
• QEL Data Sheet
• QEL Sell Sheet
• Quiet Electric Latch FAQ
• STD & CX98/9947WDC Series Wood Door Template
• STD & CX98/9947WDC-F-LBR Series Wood Door Template
• 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
• Von Duprin Pneumatic Exit Device Installation Instructions