Von Duprin 9875EO-F 3 US28 Grade 1 MTS Exit Device 628

Von Duprin 9875EO-F 3 US28 Grade 1 Mts Exit Device 628 offers robust security and functionality for commercial applications. This Grade 1 fire-rated mortise exit device features a wide stile pushpad, measuring 36 inches, and is designed as an exit-only solution, making it ideal for high-traffic areas. The satin aluminum clear anodized finish ensures durability while adding a sleek, modern look. Engineered for versatility, this exit device fits stock hollow metal doors with an 86 cutout and accommodates door stiles as narrow as 4-3/4 inches. Its 3-inch anti-friction latch bolt is field-reversible, allowing for easy installation without removing the lock from the door. The device also includes a non-handed auxiliary bolt for secure deadlocking and an adjustable bevel faceplate that enhances performance. Certified for panic exit hardware, the 9875 Series meets ANSI A156.3 – 2008 Grade 1 standards, making it a reliable choice for safety compliance. With dimensions of 8" x 2-3/4" x 2-3/8" for the center case and a projection of 3-13/16" when the pushbar is neutral, this exit device is engineered for seamless operation. Trust Von Duprin for security solutions that combine functionality and style.

Grade 1 Mts Exit Device 628

Grade 1 Fire Rated Mortise Exit Device, Wide Stile Pushpad, 36", Exit Only, Less Trim, Less Dogging, Satin Aluminum Clear Anodized Finish, Non-Handed

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.

Fire exit mortise lock devices with a smooth mechanism case.

The 9875 Series is for all types of single or double doors and is UL listed for panic exit hardware. Devices are ANSI A156.3 – 2008 Grade 1. 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' (711 mm to 914 mm) door size
  • 4' – 2' 10" to 4' (864 mm to 1219 mm) door size
• Device centerline from finished door:
  • 39-13/16" (1011 mm)
  • 39-11/16" (1008 mm) with mullion
• Center case dimensions: 8" x 2-3/4" x 2-3/8" (203 mm x 70 mm x 60 mm)
• Mechanism case dimensions: 2 1/4" x 2 1/4" (57 mm x 57 mm)
• 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" (44 mm) and 2-1/4" (57 mm) thick metal or wood doors.

Resources

• 10 Things You Need to Know About the Von Duprin Chexit
• 98/9975 Mortise Lock Exit Device Service Manual
• 9875 Series Mortise Exit Device Cut Sheet
• 9875/9975 & 9875-F/9975-F Series Wood Door Template
• 990TP/TP-BE/NL Trim 98/9975 Mortise Lock Device Installation Instructions
• CX98/9975 Installation Instructions
• CX9875/9975 & CX9875-F/9975-F Series Wood Door Template
• EL, SS, CX9875/9975 Series Device Hinge Stile Preparation Wood Door Template
• QEL 98/99 Baseplate Conversion Series Installation Instructions
• QEL Conversion Kit for 98/99 Series Installation Instructions
• QEL Data Sheet
• QEL Sell Sheet
• Quiet Electric Latch FAQ
• Von Duprin 33/35 and 98/99 ALK Alarm Kit Installation Instructions
• Von Duprin 33/35 and 98/99 End Cap Retrofit Kit Installation Instructions
• Von Duprin Exit Alarm Kit Sell Sheet
• Von Duprin Finishes Chart
• Von Duprin LD Cover Plate for 33/35 & 98/99 Exit Devices Installation Instruction
• Von Duprin Pneumatic Exit Device Installation Instructions