Sargent NB8740 Dummy Function Surface Vertical Rod Exit Device with Freewheeling Trim Wide Stile Grade 1
Professional Grade 1 Surface Vertical Rod Exit Device Solution
The Sargent NB8740 is a dummy function surface vertical rod exit device from the NB8700 Series, featuring freewheeling trim and wide stile design. This Grade 1 exit device accommodates wood or metal doors from 1-3/4" thick, with door widths ranging from 24" to 48" across multiple rail configurations. The device requires a minimum 4-1/2" stile with trim and 3-1/2" minimum stile without trim, providing versatile installation options for commercial applications.
Professional Features & Benefits
- Door Compatibility: Designed for wood or metal doors 1-3/4" thick with wide stile configuration requiring 4-1/2" minimum stile with trim.
- Flexible Door Width Options: Multiple rail configurations accommodate door widths from 24" to 48" including E Rail (24" to 32"), F Rail (33" to 36"), J Rail (37" to 42"), and G Rail (43" to 48").
- Grade 1 Construction: Professional-grade durability and performance meeting the highest commercial standards for heavy-duty applications.
- Top Latch Design: Surface vertical rod configuration provides reliable latching with freewheeling trim functionality for smooth operation.
- Dummy Function Operation: Non-latching trim design allows for consistent appearance while maintaining exit device functionality on the active leaf.
- No-Cut Installation: Rails require no cutting for standard door sizes including 32", 36", 42", and 48" doors for simplified installation.
- Versatile Applications: Suitable for both rated and non-rated openings in commercial environments requiring reliable egress solutions.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- Test device operation to verify proper function 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 NB8700 Series exit devices deliver professional-grade reliability with Grade 1 construction designed for demanding commercial applications. The series provides the optimal combination of simplicity, strength, durability, and aesthetics with proven performance in both rated and non-rated openings. Engineered for demanding commercial applications where dependable egress performance is essential.
Manufacturer Resources
Product Specs
- Series:
- NB8700 Series
- Product Group:
- Exit Devices and Trim
- Product Subgroup:
- Exit Devices - Mortise
- Product Type:
- Exit Devices - Mortise
- Subcategory:
- Mortise Exit Devices
- Commercial/Residential:
- Commercial
- Stile Type:
- Wide Stile
- Lock Function:
- Dummy
- Grade:
- Grade 1
- Model Series:
- NB8700 Series
- Product Model:
- NB8740
- Product Function:
- Dummy
- Product Category:
- Exit Devices and Trim
- Collection:
- NB8700 Series
- Department:
- Door Hardware