Von Duprin 9975L-17-F 3 315 LHR Grade 1 MTS Exit Device 711

Von Duprin 9975L-17-F 3 315 LHR Grade 1 Mortise Exit Device offers top-tier security and convenience for commercial applications. Designed for both single and double doors, this Grade 1 mortise exit bar is 36 inches long and features a fire-rated design, ensuring reliable performance in emergency situations. The device operates with a classroom function, utilizing a 17 lever with escutcheon trim, and is finished in a sleek black anodized aluminum that not only enhances aesthetics but also ensures durability. The 9975 series is UL listed for panic exit hardware, fitting stock hollow metal doors with an 86 cutout and stiles as narrow as 4 3/4 inches. It includes a field-reversible 3/4-inch anti-friction latch bolt that can be adjusted without removing the lock from the door. The device's centerline measurement from the finished floor is 39 13/16 inches, making it suitable for a range of applications. With a robust construction that includes an adjustable bevel faceplate, this exit device meets ANSI A156.3 – 2001 Grade 1 standards, ensuring longevity and reliability. It is ideal for high-traffic areas, providing a seamless balance of safety and functionality.

Grade 1 Mts Exit Device 711

Grade 1 Mortise Exit Bar, 36" Device, Fire Rated, Classroom Function, 17 Lever with Escutcheon Trim, Less Dogging, Black Anodized Aluminum 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