Von Duprin LD9975NL 4 26D Grade 1 MTS Exit Device 626

Von Duprin LD9975NL 4 26D Grade 1 Mts Exit Device 626 offers a robust solution for emergency egress in commercial settings. This Grade 1 mortise exit bar features a 48-inch device with a night latch function, making it an ideal choice for high-traffic areas. Designed with an escutcheon pull trim and a satin chrome finish, it not only ensures durability but also complements various architectural styles. The LD9975NL is UL listed for panic exit hardware, making it suitable for both single and double doors. It fits stock hollow metal doors with an 86 cutout and accommodates door stiles as narrow as 4 ¾ inches. Its anti-friction latch bolt, measuring ¾ inch, is field reversible without the need to remove the lock from the door, enhancing installation efficiency. The device includes a non-handed auxiliary bolt for reliable deadlocking and features an adjustable bevel faceplate. With ANSI A156.3 – 2001 Grade 1 certification, this exit device is built to withstand the demands of commercial environments. The LD9975NL’s versatility, paired with its sturdy construction, makes it a dependable choice for ensuring safety and compliance in any building.

Grade 1 Mts Exit Device 626

Grade 1 Mortise Exit Bar, 48" 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