Von Duprin 9975DT 3 26D Grade 1 MTS Exit Device 626

Von Duprin 9975DT 3 26D Grade 1 Mts Exit Device 626 offers a robust solution for both single and double doors, designed with safety and convenience in mind. This Grade 1 mortise exit device features a 36" pushbar with a dummy function and an escutcheon pull trim, ensuring ease of use while complying with UL standards for panic exit hardware. The device is suitable for stock hollow metal doors with an 86 cutout and can accommodate door stiles as narrow as 4 3/4". Its 3/4" anti-friction latch bolt is reversible in the field, allowing for quick adjustments without removing the lock from the door. The non-handed auxiliary bolt enhances security by providing deadlocking capabilities, while the adjustable bevel faceplate ensures a precise fit. With ANSI A156.3 – 2001 Grade 1 certification, the 9975DT is engineered for reliability and performance. Its elegant satin chrome finish (626) adds a modern touch, making it an excellent choice for commercial applications. The device includes a hex dogging option, facilitating easy access control. Backed by a three-year limited warranty, the Von Duprin 9975DT is a trusted choice for professionals seeking quality and security in door hardware.

Grade 1 Mts Exit Device 626

Grade 1 Mortise Exit Bar, 36" Device, Dummy 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