Von Duprin 9975L-03 4 US28 LHR Grade 1 MTS Exit Device 628

Von Duprin 9975L-03 4 US28 LHR Grade 1 Mts Exit Device 628 offers robust security and reliable functionality for all types of single or double doors. This Grade 1 Mortise Exit Bar, measuring 48 inches, is designed with a classroom function and features the elegant 03 lever with escutcheon trim. Engineered for ease of use, it includes hex dogging and comes in a sleek satin aluminum clear anodized finish. The 9975 Series is UL listed for panic exit hardware, making it ideal for commercial environments. It fits stock hollow metal doors with an 86 cutout and accommodates door stiles as narrow as 4 3/4 inches. The device boasts a 3 3/4-inch anti-friction latch bolt, easily reversible in the field without door removal. The faceplate is adjustable for a perfect fit. With ANSI A156.3 – 2001 Grade 1 certification, this exit device ensures durability and performance. The installation is straightforward, suitable for metal, wood, and aluminum storefront doors with thicknesses ranging from 1-3/4 inches to 2-1/4 inches. Backed by a 3-year limited warranty, the Von Duprin 9975L-03 is a reliable choice for enhancing safety and accessibility in any commercial setting.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 48" Device, Classroom Function, 03 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