Von Duprin LD9975NL 3 26D Grade 1 MTS Exit Device 626

Von Duprin LD9975NL 3 26D Grade 1 Mts Exit Device 626 is a robust solution designed for high-traffic entrances requiring reliable panic exit hardware. This Grade 1 mortise exit bar, measuring 36 inches, features a night latch function and comes equipped with an escutcheon pull trim, making it both functional and aesthetically pleasing. Its satin chrome finish adds a touch of sophistication while ensuring durability. This versatile device fits standard hollow metal doors with an 86 cutout and accommodates door stiles as narrow as 4¾ inches (121mm). The LD9975NL is engineered for ease of use, featuring a field-reversible anti-friction latch bolt that can be adjusted without removing the lock from the door. It includes a non-handed auxiliary bolt for effective deadlocking and a faceplate with an adjustable bevel. Compliant with ANSI A156.3 – 2001 Grade 1 standards, this exit device is UL listed for panic exit situations, providing peace of mind in emergency scenarios. The centerline is positioned at 39 13/16 inches (1011 mm) from the finished floor, making it convenient for various door sizes. Designed for commercial applications, the LD9975NL is a reliable choice for enhancing safety and security in any facility.

Grade 1 Mts Exit Device 626

Grade 1 Mortise Exit Bar, 36" Device, Night Latch Function, Escutcheon Pull Trim, Less Dogging, Satin Chrome 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