Sargent WD8640 Concealed Vertical Rod Exit Device with Dummy Function and Freewheeling Trim - Grade 1 Wide Stile

Sargent WD8640 Concealed Vertical Rod Exit Device with Dummy Function and 4-1/2" Wide Stile Design

Professional Concealed Vertical Rod Exit Device Solution

The Sargent WD8640 is a Grade 1 concealed vertical rod exit device from the proven 8600 Series, engineered for wide stile hollow metal door applications. Designed for doors with 1-3/4" (44mm) minimum thickness and 4-1/2" (114mm) minimum stile width, this device accommodates door widths from 24" to 48" with factory-cut rails available in four sizes. The dummy function with freewheeling trim provides reliable egress control while maintaining the strength and durability that defines the Sargent 8600 Series.

Professional Features & Benefits

• Wide Stile Compatibility: Designed for 4-1/2" (114mm) minimum stile width applications on hollow metal doors with superior structural integration.
• Flexible Door Width Coverage: Accommodates door widths from 24" to 48" with four rail sizes - E Rail (24"-32"), F Rail (33"-36"), J Rail (37"-42"), and G Rail (43"-48").
• Grade 1 Construction: Heavy-duty design meets the highest commercial grade standards for demanding applications requiring maximum durability.
• Concealed Vertical Rod Design: Provides clean aesthetics while delivering reliable top and bottom latching with 650 Top Strike and 606 Bottom Strike compatibility.
• Dummy Function Operation: Freewheeling trim allows for consistent appearance across door openings while maintaining proper egress functionality.
• Comprehensive Electric Options: Compatible with AL- Alarm, BT- Beacon, PL- SARGuide Photoluminescent, TL- SARGuide Illuminated Touchpad, and monitoring options 53-59 for integrated access control.
• Professional Installation Features: Center case dimensions of 8-3/8" x 2-5/8" with 3" neutral projection and 2-1/8" depressed projection for precise door preparation.
• Maximum Opening Height: Supports up to 120" (3048mm) maximum door opening height for tall commercial applications.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 2-1/4"), stile width (4-1/2" minimum), and door width for proper rail selection.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces, ensuring proper device centerline positioning at 41" from finished floor for standard applications.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions, accommodating the 8-3/8" x 2-5/8" center case dimensions.
4. Install rail assembly (factory-cut to door width if specified) and secure all mounting hardware per manufacturer torque specifications using supplied machine screws.
5. Mount top and bottom strikes (650 Top Strike and 606 Bottom Strike) and adjust for proper alignment with vertical rod mechanism.
6. Test device operation to verify proper function including pushbar travel (3" neutral to 2-1/8" depressed) and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent 8600 Series exit devices deliver professional-grade reliability with Grade 1 construction engineered for demanding commercial applications. The concealed vertical rod design provides both aesthetic appeal and structural integrity, while comprehensive electric options enable integration with modern access control systems. Engineered for demanding commercial applications where dependable egress performance is essential.