Sargent 68-4568 Center Chassis Assembly - 12-NB-8700 Series - LHR
The Sargent 68-4568 is a genuine OEM Center Chassis Assembly (Active Case) designed specifically for the Sargent 12-NB-8700 Series Surface Vertical Rod (SVR) exit device. This specialized chassis is engineered for No Bottom Rod (NB) applications, which are commonly used on fire-rated openings where a floor strike or threshold latch is not desired. Configured for Left Hand Reverse (LHR) openings and sold "Less Cover," this factory-spec assembly ensures your fire-labeled door maintains its safety rating while providing smooth, top-latching performance.
Institutional Grade Features & Benefits
- "NB" (No Bottom Rod) Optimized: Specifically timed to operate only the top rod, eliminating the mechanical drag and maintenance associated with bottom bolts.
- Fire-Rated (12-) Compliance: UL-certified for use on fire-labeled openings, housing the heavy-duty internal components required for life-safety code adherence.
- LHR Specific Configuration: Factory-set for Left Hand Reverse doors to ensure internal lift-lever geometry aligns perfectly with your top rod assembly.
- Direct OEM Replacement: The professional solution for restoring a failing 12-NB-8700 device without the high cost of a complete hardware overhaul.
- High-Traffic Reliability: Constructed from high-strength alloys to withstand the mechanical stress of schools, hospitals, and high-frequency commercial exits.
Technical Specifications
- Manufacturer: Sargent (ASSA ABLOY)
- Model Number: 68-4568
- Part Type: Center Chassis / Active Case Assembly
- Series Compatibility: Sargent 12-NB-8700 (Fire Rated, No Bottom Rod)
- Handing: Left Hand Reverse (LHR) - Handing information is required upon order.
- Inclusions: Sold "Less Cover" (Chassis only)
| Brand | Sargent |
| Series | Sargent - 80 Series |
| Part Type | Chassis Assembly |
| Fire Rated | Non-Rated, Fire Rated |
| Door Handing | LHR |
| Exit Device Type | SVR LBR Device |
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