Von Duprin QEL9975NL 4 US4 Grade 1 MTS Exit Device 606

Von Duprin QEL9975NL 4 US4 Grade 1 Mts Exit Device 606 offers a robust and reliable solution for secure egress in commercial settings. This Grade 1 Mortise Exit Bar is designed for use on single or double doors, featuring a 48" device length and a night latch function that enhances safety without compromising accessibility. The motorized latch retraction adds convenience, allowing for quick exit without the need for manual operation. Constructed to fit stock hollow metal doors with an 86 cutout and door stiles as narrow as 4-3/4 inches, the QEL9975NL is equipped with a 3/4" anti-friction latch bolt that is field reversible, making installation straightforward and adaptable. The satin brass finish lends a sophisticated touch, while the included escutcheon pull trim enhances functionality. This exit device meets ANSI A156.3 – 2001 Grade 1 standards and is UL listed for panic exit hardware, ensuring compliance with safety regulations. With a faceplate featuring an adjustable bevel and dimensions optimized for various door thicknesses (1-3/4" to 2-1/4"), the Von Duprin QEL9975NL is the ideal choice for building professionals seeking a dependable and aesthetically pleasing exit solution.

Grade 1 Mts Exit Device 606

Grade 1 Mortise Exit Bar, 48" Device, Night Latch Function, Escutcheon Pull Trim, Motorized Latch Retraction, Less Dogging, Satin Brass Finish, Field Reversible

9875/9975 Mortise lock device for all types of single or double doors, UL listed for panic exit hardware. Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3⁄4" (121mm). The 7500 Mortise lock is equipped with a 3⁄4" (19mm) anti-friction latch bolt which is field reversible without removing the lock from the door. It has a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel.

Devices are ANSI A156.3 – 2001 Grade 1

The 9975 Series is for all types of single or double doors and is UL listed for panic exit hardware.  Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3 /4" (121mm). 

• Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
• Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
• Device centerline from finished floor: 39 13/16" (1011 mm) 39 11/16" (1008 mm) with mullion
• Center case dimensions: 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
• 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)
• Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) and 2 1/4" (57mm) thick metal or wood do

Resources

• 10 Things You Need to Know About the Von Duprin Chexit
• 98/9975-2 Series Wood Door Template
• 990TP/TP-BE/NL Trim 98/9975 Mortise Lock Device Installation Instructions
• QEL Data Sheet
• Von Duprin Finishes Chart