Von Duprin 5575NL 643E RHR Narrow MTS 643E Crossbar Exit Device

Von Duprin 5575NL 643E RHR Narrow MTS Crossbar Exit 643E offers a reliable and stylish solution for emergency exits with its Grade 1 Mortise Exit Bar. Designed with a narrow stile crossbar, this 48" device features a night latch function and pull trim, making it suitable for both commercial and residential applications. Notably, its aged bronze finish complements a variety of architectural styles, particularly retro and historical designs. This exit device is equipped with hex key dogging for ease of operation and is crafted to fit doors with stiles as narrow as 1 3/4" (44 mm). The concealed vertical rod exit device ensures a clean aesthetic while maintaining functionality in both single and double doors with mullions. With a crossbar height of 36 13/16" (935 mm) at the center, it is accessible and compliant with safety standards. The Von Duprin 5575NL includes a comprehensive screw pack for installation on 1 3/4" (44 mm) and 2 1/4" (57 mm) thick metal or wood doors, ensuring a secure fit. Engineered for durability and reliability, this exit device is UL listed for accident hazard installations and comes with a limited three-year warranty. Elevate your building's safety without compromising on aesthetics with this exceptional exit solution.

Narrow MTS Crossbar Exit 643E

Grade 1 Mortise Exit Bar, Narrow Stile Crossbar, 48" Device, Night Latch Function, Pull Trim, Less Cylinder, Hex Key Dogging, Aged Bronze Finish, Right Hand Reverse

The 55 Series from Von Duprin are exit device crossbars with a classic design. The 55 Series is a narrow stile device and commonly used in retro-inspired architecture and historical buildings.

Concealed Vertical Rod Exit Device, Dummy Trim.

55 Series devices for all types of single and double doors with mullion, UL listed for accident hazard installations. Fits doors stiles as narrow as 1 3/4" (44 mm). 

• Device functions Device ships EO/DT/NL/L
• Crossbar length 42" (1067 mm)
• Crossbar height to finished floor 36 13/16" (935 mm) at center
• Lock stile case 7 1 /4" x 1 3 /16" x 2 1 /4" (184 mm x 30 mm x 57 mm)
• Hinge stile case 7 1 /4" x 1 3 /16" x 2 1 /4" (184 mm x 30 mm x 57 mm)
• Crossbar tubing 1" (25 mm)
• Projection Crossbar neutral – 3 3/4" (95 mm) Crossbar depressed – 2 3/8" (60 mm)
• Latch bolt 3/4" (19 mm), throw
• Fasteners and Sex bolts (SBN) Includes screw pack for 1 3/4" (44 mm) and 2 1/4" (57 mm) thick metal or wood doors. Sex nuts and bolts included.

Resources

• 55 Series Exit Device Service Manual
• 55 Series Narrow Style Crossbar Devices Cut Sheet
• 5547WDC & 5547WDC-F Series Wood Door Template
• 5575 & 5575-F Mortise Lock Wood Door Template
• Von Duprin Finishes Chart