Sargent 8252 Institution Deadbolt Function Mortise Lock with Heavy Duty Double Cylinder and Grade 1 Rating
Industry Benchmark Mortise Lock with Maximum Security and Performance
The Sargent 8252 Institution Deadbolt Function mortise lock delivers maximum security, performance, and durability as the industry benchmark for commercial mortise locks. This Grade 1 heavy-duty lock features a 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw with field reversible handing. The multi-functional lock body integrates with all SARGENT key systems including Degree, Signature, KESO, and XC, while meeting ANSI/BHMA A156.13 Series 1000 standards and UL 10C 3-hour fire rating requirements.
Professional Features & Benefits
- Standard Door Compatibility: 2 3/4" backset depth with 1 3/4" door thickness and 3/4" latchbolt throw for standard commercial door preparations.
- Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched reliability in high-traffic institutional applications.
- Flexible Power Options: Electromechanical version operates from 12 to 24VDC with EcoFlex technology reducing power consumption up to 96% for energy-efficient operation.
- Heavy-Duty Construction: Grade 1 operational rating with robust lever-style design engineered to far exceed independently verified testing standards.
- Universal Key System Integration: Compatible with all SARGENT key systems including Degree, Signature, KESO, and XC for flexible master keying options.
- Field Reversible Configuration: Handing can be changed on-site without additional parts, reducing inventory requirements and installation complexity.
- Comprehensive Fire Rating: UL 10C positive pressure fire-rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
- Extended Warranty Coverage: 10-year limited warranty with 2-year coverage on electrical components for long-term protection and confidence.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC) and current capacity before proceeding.
- Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
- Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
- Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
- Configure operational settings including field reversible handing per application requirements.
- Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
- Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.
Professional Applications
- Healthcare Institutions and Behavioral Health Facilities
- Educational Facilities and Universities
- Government and Municipal Buildings
- Commercial Office Buildings
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- High-Security Commercial Applications
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 institutional applications. Engineered as the industry benchmark where maximum security, performance, and durability are essential for critical access control requirements.
Manufacturer Resources
Product Specs
- Series:
- 8200 Series
- Grade:
- Grade 1
- Keyed Function:
- Double Cylinder
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Subcategory:
- Bored Locksets
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Institution Deadbolt
- Product Type:
- Mortise Locks
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Function:
- Asylum/Institution/Utility
- Product Category:
- Mechanical Locks
- Collection:
- 8200 Series
- Department:
- Door Hardware