Von Duprin 9975L-BE-07-F 3 643E RHR Grade 1 MTS 643E Exit Device

Von Duprin 9975L-BE-07-F 3 643E RHR Grade 1 Mts Exit Device is engineered for commercial settings, providing robust security and dependable performance. This Grade 1 mortise exit device features a 36-inch length and is fire-rated, making it suitable for various single or double door applications. The passage function allows for seamless entry and exit, while the 07 lever with escutcheon trim adds an elegant touch to any door. Designed for compatibility with stock hollow metal doors featuring an 86 cutout, this device fits door stiles as narrow as 4 3/4 inches (121mm). The 7500 mortise lock is equipped with a 3/4-inch (19mm) anti-friction latch bolt, which is field-reversible without removing the lock from the door, offering flexibility during installation. It also includes a non-handed auxiliary bolt for secure deadlocking. With ANSI A156.3 – 2001 Grade 1 certification, the 9975 Series ensures reliability and durability. The adjustable bevel faceplate and included screw pack make installation straightforward for doors ranging from 1-3/4 inches to 2-1/4 inches thick. The aged bronze finish complements a variety of architectural styles, enhancing both security and aesthetics.

Grade 1 Mts Exit Device 643E

Grade 1 Mortise Exit Bar, 36" Device, Fire Rated, Passage Function, 07 Lever with Escutcheon Trim, Less Dogging, Aged Bronze 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