Von Duprin LD9975EO 3 313 Grade 1 MTS Exit Device 710

Von Duprin LD9975EO 3 313 Grade 1 Mts Exit Device 710 is an exemplary choice for high-traffic commercial environments, offering robust security and reliable functionality. Designed as a Grade 1 mortise exit bar, this 36-inch device is ideal for exit-only applications and is less dogging for added simplicity. It features a dark bronze anodized aluminum finish, ensuring both durability and an attractive appearance. This exit device is compatible with various single or double doors, fitting stock hollow metal doors with an 86 cutout and door stiles as narrow as 4 3/4 inches. The device incorporates a 3/4-inch anti-friction latch bolt, which is field reversible without needing to remove the lock from the door, providing flexibility during installation. Its non-handed auxiliary bolt enhances deadlocking capabilities, and the adjustable bevel faceplate accommodates various door configurations. Certified to ANSI A156.3-2001 Grade 1 standards and UL listed for panic exit hardware, the LD9975EO ensures safety and compliance in any commercial setting. With dimensions that include an 8" x 2 3/4" x 2 3/8" center case and a pushbar projection of 3 13/16 inches when neutral, this exit device combines functionality with ease of use, making it an essential component for secure and efficient egress solutions.

Grade 1 Mts Exit Device 710

Grade 1 Mortise Exit Bar, 36" Device, Exit Only, Less 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