Von Duprin 9875EO-F 3 643E Grade 1 MTS 643E Exit Device

Von Duprin 9875EO-F 3 643E Grade 1 Mts Exit Device is a Grade 1 fire-rated mortise exit device designed for optimal performance on single or double doors. With a wide stile pushpad and a 36" length, this exit device is ideal for high-traffic areas requiring secure egress solutions. The device is UL listed for panic exit hardware, ensuring safety and reliability under emergency conditions. This exit device features a non-handed design for easy installation, accommodating doors with a stile width as narrow as 4-3/4" (121mm) and fitting standard hollow metal doors with an 86 cutout. The 9875 Series includes a field-reversible anti-friction latch bolt, allowing for flexibility without needing to remove the lock from the door. The device is crafted with a smooth mechanism case and is designed to be used without trim or dogging. Available in an aged bronze finish (643E), this exit device combines functionality with an aesthetically pleasing appearance. Its durable construction is suitable for commercial settings, and it comes with a limited three-year warranty, underscoring its quality and reliability. Choose the Von Duprin 9875EO-F for a robust and efficient exit solution that meets stringent safety standards.

Grade 1 Mts Exit Device 643E

Grade 1 Fire Rated Mortise Exit Device, Wide Stile Pushpad, 36", Exit Only, Less Trim, Less Dogging, Aged Bronze 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