Von Duprin 9975L-NL-07-F 4 US28 LHR Grade 1 MTS Exit Device 628

Von Duprin 9975L-NL-07-F 4 US28 LHR Grade 1 Mts Exit Device 628 is a robust and reliable solution for ensuring safe egress in commercial settings. This Grade 1 mortise exit bar features a 48" device length and is UL listed for panic exit hardware, making it ideal for both single and double doors. Designed with a night latch function and equipped with the 07 lever and escutcheon trim, this device is engineered for durability and ease of use. The 9975 series fits stock hollow metal doors with an 86 cutout and accommodates door stiles as narrow as 4 3/4". Its innovative design includes a field-reversible 3/4" anti-friction latch bolt that simplifies installation and maintenance without removing the lock from the door. The adjustable bevel faceplate enhances versatility, while the device is compliant with ANSI A156.3 – 2001 Grade 1 standards. With a satin aluminum clear anodized finish, the Von Duprin 9975L-NL-07-F not only provides a sleek appearance but also ensures long-lasting performance. Suitable for door widths from 34" to 48" and thicknesses between 1-3/4" to 2-1/4", this exit device is a smart choice for any commercial application, ensuring safety and security without compromising on style.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Bar, 48" Device, Fire Rated, Night Latch Function, 07 Lever with Escutcheon Trim, Less Dogging, Satin Aluminum Clear Anodized 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