Sargent 8231 Heavy Duty Single Cylinder Mortise Lock with EcoFlex Technology - Grade 1 Utility Function

Sargent 8231 Heavy Duty Single Cylinder Mortise Lock with EcoFlex Technology and Grade 1 Rating

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8231 heavy duty single cylinder mortise lock represents the industry benchmark for commercial-grade security hardware, featuring Grade 1 operational rating and EcoFlex technology for up to 89% energy savings. This utility function model operates from 12 to 24VDC with field-reversible handing and delivers exceptional durability with UL testing completed at 16 million cycles. The multi-functional lock body accommodates 1 3/4" door thickness with 2 3/4" backset and includes a 3/4" latchbolt throw for reliable security performance.

Professional Features & Benefits

• Exceptional Durability Rating: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched longevity in high-traffic commercial applications.
• EcoFlex Energy Technology: Advanced power management creates up to 89% energy savings on electromechanical functions while maintaining reliable operation.
• Flexible Power Operation: Standard 12 to 24VDC operation with field-reversible handing for versatile installation requirements.
• Heavy-Duty Construction: Grade 1 operational rating with patented design and construction exceeding industry standards for strength and reliability.
• Door Compatibility: Designed for 1 3/4" door thickness with 2 3/4" backset and 3/4" latchbolt throw for secure installation.
• Universal Key System Integration: Compatible with all SARGENT key systems including Degree, Signature, KESO, and XC for comprehensive access control flexibility.
• Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with on-site function switching capability.
• Comprehensive Fire Rating: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
• Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for long-term confidence and protection.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm 12 to 24VDC voltage and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including field-reversible handing and any configurable options per application requirements.
6. Restore power and test all functions including normal operation, electromechanical functions, and integration with connected systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Government and Municipal Buildings
• Industrial Facility Access Points
• Multi-Tenant Residential Properties
• Emergency Exit Compliance Systems

Why Choose Sargent Quality?

Sargent 8200 Series mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles in UL testing. The 10-year limited warranty with 2-year electrical component coverage provides exceptional protection for demanding commercial applications. Engineered as the industry benchmark for mortise locks, this Grade 1 rated hardware combines maximum security with EcoFlex energy efficiency technology for dependable performance where reliability is essential.