Von Duprin 9975NL 4 26D Grade 1 MTS Exit Device 626

Von Duprin 9975NL 4 26D Grade 1 Mts Exit Device 626 delivers exceptional security and functionality for your commercial doors. This Grade 1 mortise exit device features a robust 48-inch device length, designed to accommodate both single and double doors while ensuring compliance with UL requirements for panic exit hardware. The night latch function enhances security, allowing for quick egress while preventing unauthorized access. Crafted with a satin chrome finish, the 9975NL boasts an escutcheon pull trim and hex dogging for user-friendly operation. Its field-reversible design allows for easy adaptability to various door configurations without the need for removal. The device is suitable for stock hollow metal doors with an 86 cutout and door stiles as narrow as 4 3/4 inches, making it versatile for a range of applications. Equipped with a 3/4-inch anti-friction latch bolt and a non-handed auxiliary bolt for deadlocking, this exit device ensures long-lasting performance and reliability. The ANSI A156.3 – 2001 Grade 1 rating further underscores its durability. Weighing in at 21 lbs, the Von Duprin 9975NL combines strength and style, making it an ideal choice for professionals seeking quality door hardware solutions.

Grade 1 Mts Exit Device 626

Grade 1 Mortise Exit Bar, 48" Device, Night Latch Function, Escutcheon Pull Trim, Hex 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