Von Duprin 9975NL 4 US26 Grade 1 MTS Exit Device 625

Von Duprin 9975NL 4 US26 Grade 1 Mts Exit Device 625 is a robust and reliable solution designed for commercial applications requiring efficient panic exit hardware. This Grade 1 mortise exit device measures 48 inches in length and features a night latch function, making it ideal for single or double doors where safety and accessibility are paramount. The polished chrome finish adds a sleek touch, while the escutcheon pull trim and hex dogging mechanism enhance usability. Engineered to fit stock hollow metal doors with an 86 cutout and stiles as narrow as 4 3/4 inches, the 9975NL is versatile and easy to install. Its field-reversible design allows for quick adjustments without removing the lock, while the 3/4-inch anti-friction latch bolt ensures reliable performance. This device is UL listed for panic exit hardware, adhering to ANSI A156.3 – 2001 Grade 1 standards, ensuring high durability and safety. With a projection of 3 13/16 inches when neutral and 3 1/16 inches when depressed, the pushbar is user-friendly and provides a smooth exit experience. The 9975NL is designed for doors ranging from 34 to 48 inches wide and accommodates door thicknesses of 1-3/4 to 2-1/4 inches, making it a versatile choice for various commercial environments.

Grade 1 Mts Exit Device 625

Grade 1 Mortise Exit Bar, 48" Device, Night Latch Function, Escutcheon Pull Trim, Hex Dogging, Bright Chrome 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