Von Duprin 9975L-06 3 US28 RHR Grade 1 MTS Exit Device 628

Von Duprin 9975L-06 3 US28 RHR Grade 1 Mortise Exit Device 628 combines durability and functionality, making it an ideal choice for commercial applications. This Grade 1 mortise exit device features a 36-inch length with a classroom function, equipped with a stylish 06 lever and escutcheon trim. Its hex dogging mechanism offers added security and ease of use. Designed to fit stock hollow metal doors with an 86 cutout, the 9975 series accommodates door stiles as narrow as 4 3/4 inches, ensuring versatility across various door types. The device is UL listed for panic exit hardware, providing peace of mind in emergency situations. Its anti-friction latch bolt is field reversible, allowing for quick adjustments without removing the device from the door. Manufactured with a satin aluminum clear anodized finish, the 9975L-06 is not only functional but also aesthetically pleasing. The device supports ANSI A156.3 – 2001 Grade 1 standards, ensuring reliable performance in high-traffic environments. With a robust construction and thoughtful design, this exit device is an essential component for enhancing door security and accessibility in your building.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 36" Device, Classroom Function, 06 Lever with Escutcheon Trim, 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