Von Duprin 9975L-07-F 3 US28 RHR Grade 1 MTS Exit Device 628

Von Duprin 9975L-07-F 3 US28 RHR Grade 1 Mts Exit Device 628 offers superior security and functionality for commercial settings. This Grade 1 Mortise Exit Bar is fire-rated and designed for classroom use, featuring a 36" device length and a sleek satin aluminum clear anodized finish. Its 07 lever with escutcheon trim ensures an elegant yet robust appearance, while the less dogging option enhances ease of use. The 9975 Series is UL listed for panic exit hardware, making it suitable for both single and double doors. It is compatible with stock hollow metal doors that accommodate an 86 cutout, and it fits door stiles as narrow as 4 3/4". The device features a field-reversible design, allowing for convenient installation without removing the lock from the door. Equipped with a 3 3/4" anti-friction latch bolt and a non-handed auxiliary bolt for deadlocking, it provides reliable security. With ANSI A156.3 – 2001 Grade 1 certification, this exit device meets the highest industry standards. Ideal for commercial applications, the Von Duprin 9975L-07-F ensures safe and efficient egress while maintaining architectural integrity.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 36" Device, Fire Rated, Classroom Function, 07 Lever with Escutcheon Trim, Less 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