Falcon T351 Grade 1 Heavy-Duty Cylindrical Closet Lock with Keyed Lever
Professional-Grade Cylindrical Lock for High-Traffic Applications
The Falcon T351 is a Grade 1 heavy-duty cylindrical closet lock engineered for demanding commercial applications. This versatile lockset features a 2-3/4" backset with adjustable door thickness from 1-3/4" to 2-1/8" and includes a 3-1/2" diameter rose for enhanced security. Built with compression springs and through-bolted construction, the T351 exceeds ANSI/BHMA cycle test requirements while providing universal cylinder compatibility for easy retrofitting.
Professional Features & Benefits
- Adjustable Door Compatibility: Accommodates door thickness from 1-3/4" to 2-1/8" with 2-3/4" backset for versatile installation options.
- Heavy-Duty Construction: Compression springs behind the rose provide consistent lever return and prevent lever sag for long-lasting performance in high-traffic applications.
- Grade 1 Durability: Exceeds ANSI/BHMA Grade 1 testing requirements with construction designed to withstand heavy-abuse applications.
- Universal Cylinder Compatibility: Accepts most manufacturers' conventional key systems, small format interchangeable cores (SFIC), and Schlage full size interchangeable cores (FSIC).
- Pressure Release Technology: Standard lever rotation prevents damage to internal lock components when subjected to excessive force.
- Tamper-Resistant Design: Inside levers attached by Allen-head set screw prevent tampering or vandalism in institutional settings.
- Through-Bolted Security: Trim secured with two 10-32 screws coated with thread sealant for enhanced durability and security.
- Fire Rating Certification: UL 3-hour A label certification with outer trim designed to prevent door collapse during fire conditions.
Technical Specifications
- Backset (Distance): 2-3/4"
- Commercial/Residential: Commercial
- Cylinder and Keyways: G Keyway
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Duty Level: Heavy Duty
- Electronic: No
- Grade: Grade 1
- Handle Type: Lever
- Keyed: Yes
- Keyed Function: Single Cylinder
- Lock Function: Closet
- Lock Type: Cylindrical
- Product Attribute: Cylindrical Locks
- Product Category: Mechanical Locks
- Product Function: Passage/Hall/Closet
- Product Group: Mechanical Locks
- Product Model: T351
- Product Subgroup: Bored Locksets
- Product Type: Leversets
- Rose Diameter: 3-1/2"
- Series: T Series
- Standard Latch: 1/2" Throw
- Standard Strike: ANSI 1-1/4" x 4-7/8" with 1-3/16" Lip
- Subcategory: Cylindrical Locks
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness compatibility (1-3/4" to 2-1/8"), 2-3/4" backset, and non-handed installation.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper alignment.
- Prepare door by drilling required holes for cylindrical lockset installation and route frame for ANSI 1-1/4" x 4-7/8" strike with 1-3/16" lip.
- Install mounting hardware and secure the lockset to door with through-bolted trim using two 10-32 screws with thread sealant per manufacturer specifications.
- Adjust lever operation for proper alignment and smooth function throughout the full range of motion, ensuring Pressure Release technology operates correctly.
- Test lockset operation including keyed function and lever return mechanism to verify proper installation and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Multi-Family Residential Properties
- Retail Establishments
- Educational Institutions
- Government and Military Facilities
- Commercial Office Buildings
- Healthcare Facilities
- Industrial and Warehouse Applications
Why Choose Falcon Quality?
Falcon T Series locks deliver professional-grade reliability with compression spring construction that exceeds ANSI/BHMA Grade 1 cycle test requirements. The T351 features UL 3-hour A label fire rating certification and through-bolted construction for demanding commercial applications. Engineered for high-traffic institutional environments where dependable performance and universal cylinder compatibility are essential.
Manufacturer Resources
Product Specs
- Series:
- T Series
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Keyed Function:
- Single Cylinder
- Standard Latch:
- 1/2" Throw
- Standard Strike:
- ANSI 1-1/4" x 4-7/8" with 1-3/16" Lip
- Rose Diameter:
- 3-1/2"
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Subcategory:
- Cylindrical Locks
- Keyed:
- Yes
- Electronic:
- No
- Commercial/Residential:
- Commercial
- Cylinder and Keyways:
- G Keyway
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Closet
- Product Attribute:
- Cylindrical Locks
- Product Model:
- T351
- Product Function:
- Passage/Hall/Closet
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware