Von Duprin 9975NL 3 313 Grade 1 MTS Exit Device 710

Von Duprin 9975NL 3 313 Grade 1 Mts Exit Device 710 offers a robust solution for commercial door security and emergency egress. This Grade 1 mortise exit bar features a 36" device with a night latch function, complemented by an escutcheon pull trim and hex dogging for enhanced usability. Designed to fit stock hollow metal doors with an 86 cutout, it accommodates door stiles as narrow as 4 3/4" (121mm), making it versatile for various applications. The 9975NL is UL listed for panic exit hardware, ensuring compliance and safety in emergency situations. Its anti-friction latch bolt, measuring 3/4" (19mm), is field reversible without the need for removing the lock from the door, facilitating easy adjustments on-site. The device’s centerline stands at 39 13/16" (1011mm) from the finished floor, providing optimal accessibility for users. With ANSI A156.3 – 2001 Grade 1 certification, this exit device guarantees durability and reliable performance. The dark bronze anodized aluminum finish not only enhances its aesthetic appeal but also provides added corrosion resistance. Ideal for commercial settings, the Von Duprin 9975NL ensures both security and ease of access, making it a trusted choice for building professionals.

Grade 1 Mts Exit Device 710

Grade 1 Mortise Exit Bar, 36" Device, Night Latch Function, Escutcheon Pull Trim, Hex Dogging, Dark Bronze 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