Von Duprin 9975L-BE-17-F 4 US28 RHR Grade 1 MTS Exit Device 628

Von Duprin 9975L-BE-17-F 4 US28 RHR Grade 1 Mortise Exit Device 628 combines durability and functionality in a sophisticated design tailored for commercial use. This Grade 1 Mortise Exit Bar, measuring 48 inches, is fire-rated and features a convenient passage function, making it ideal for high-traffic areas while ensuring safety during emergency exits. Designed to fit stock hollow metal doors with an 86 cutout, the 9975 Series accommodates door stiles as narrow as 4 3/4 inches, offering flexibility for various installations. The device includes a 3 3/4-inch anti-friction latch bolt that can be reversed in the field without removing the lock from the door, enhancing usability. With an adjustable faceplate bevel and a non-handed auxiliary bolt for deadlocking, this exit device ensures reliable performance. The satin aluminum clear anodized finish provides a modern aesthetic while resisting wear. The device is ANSI A156.3 – 2001 Grade 1 certified and UL listed for panic exit hardware, ensuring compliance with safety standards. Additionally, it includes a 17 lever with escutcheon trim and ships with a complete screw pack for easy installation. The Von Duprin 9975L-BE-17-F is the optimal choice for securing commercial doors without compromising style or safety.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 48" Device, Fire Rated, Passage Function, 17 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