Von Duprin 9975EO 3 US28 Grade 1 MTS Exit Device 628

Von Duprin 9975EO 3 US28 Grade 1 Mts Exit Device 628 is a robust and reliable solution designed for high-traffic commercial environments. This Grade 1 mortise exit device features a 36" exit-only configuration, ensuring quick and easy egress in emergencies. With hex dogging functionality, it allows for secure and convenient locking when the exit is not in use. Constructed to fit stock hollow metal doors with an 86 cutout and stiles as narrow as 4 3/4" (121mm), the 9975EO is versatile and adaptable. The device includes a field-reversible anti-friction latch bolt, which simplifies installation and maintenance, eliminating the need to remove the lock from the door. Additionally, it features a non-handed auxiliary bolt for enhanced security. This device meets ANSI A156.3 – 2001 Grade 1 standards and is UL listed for panic exit hardware, making it a dependable choice for any building. The satin aluminum clear anodized finish adds a sleek touch, while the pushbar's projection of 3 13/16" (97mm) ensures it is easily accessible. Designed for commercial use, the Von Duprin 9975EO exit device combines durability, functionality, and aesthetic appeal, making it an ideal choice for single or double doors.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 36" Device, Exit Only, Hex Dogging, Satin Aluminum Clear Anodized 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