Von Duprin LD9975L-NL-17 3 US10B RHR Grade 1 MTS Exit Device 613

Von Duprin LD9975L-NL-17 3 US10B RHR Grade 1 Mortise Exit Device 613 offers a reliable solution for both single and double doors, designed with safety and durability in mind. This Grade 1 Mortise Exit Bar measures 36 inches and features a night latch function, ensuring secure egress while maintaining accessibility. The device is equipped with a 17 lever and escutcheon trim, complemented by a dark oxidized satin bronze oil-rubbed finish that enhances its aesthetic appeal. Engineered to fit stock hollow metal doors with an 86 cutout, the LD9975 is UL listed for panic exit hardware, making it ideal for commercial applications. It accommodates door stiles as narrow as 4 3/4 inches and supports door thicknesses ranging from 1-3/4 inches to 2-1/4 inches. The device includes a field-reversible anti-friction latch bolt and features a non-handed auxiliary bolt for deadlocking, providing flexibility in installation. With ANSI A156.3 – 2001 Grade 1 certification, the LD9975 ensures top-tier performance and reliability. Its robust construction includes a center case dimension of 8" x 2 3/4" x 2 3/8", and it ships ready for immediate installation, making it an essential choice for building professionals seeking quality and effectiveness in door hardware solutions.

Grade 1 Mts Exit Device 613

Grade 1 Mortise Exit Bar, 36" Device, Night Latch Function, 17 Lever with Escutcheon Trim, Less Dogging, Dark Oxidized Satin Bronze Oil Rubbed 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