Falcon T521 Grade 1 Heavy-Duty Office Cylindrical Lever Lock with 2-3/4" Backset
Professional Grade 1 Cylindrical Lock Solution
The Falcon T521 delivers heavy-duty Grade 1 performance for high-traffic commercial applications with adjustable door thickness from 1-3/4" to 2-1/8", 2-3/4" backset, and 3-1/2" diameter rose construction. This extra heavy-duty cylindrical lever lock features compression spring technology that exceeds ANSI/BHMA cycle test requirements and accepts most manufacturers' cylinders for maximum versatility. UL 3-hour A label certified with non-handed design for simplified installation and retrofit applications.
Professional Features & Benefits
- Adjustable Door Compatibility: Accommodates door thickness from 1-3/4" to 2-1/8" for versatile installation across common door specifications.
- Heavy-Duty Compression Springs: Compression spring design exceeds ANSI/BHMA Grade 1 cycle test requirements and eliminates lever sag for long-lasting performance.
- Universal Cylinder Compatibility: Accepts most competitors' conventional key systems, small format interchangeable cores (SFIC), and Schlage full size interchangeable cores (FSIC).
- Pressure Release Lever Technology: Standard Pressure Release lever rotation prevents damage to internal lock components when subjected to excessive force.
- Through-Bolt Construction: Trim secured with two 10-32 screws coated with thread sealant for enhanced durability and tamper resistance.
- Fire Rating Certification: UL 3-hour A label certification with roses minimum 3-1/2" diameter for code compliance applications.
- Non-Handed Design: Does not require field disassembly for re-handing, simplifying installation and inventory management.
- Vandal-Resistant Features: Inside levers attached by Allen-head set screw to prevent tampering or vandalism in institutional settings.
Technical Specifications
- ANSI/BHMA: F81
- 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: Office
- Lock Type: Cylindrical
- Product Attribute: Cylindrical Locks
- Product Category: Mechanical Locks
- Product Function: Office
- Product Group: Mechanical Locks
- Product Model: T521
- 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 from 1-3/4" to 2-1/8", 2-3/4" backset, and non-handed installation compatibility.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for cylindrical lock installation.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for Grade 1 cylindrical lockset.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications using through-bolt construction.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion with compression spring mechanism.
- 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
- Multi-Family Residential Properties
- Retail Establishments
- Educational Facilities
- Healthcare Institutions
- Government and Military Buildings
- Industrial and Institutional Facilities
Pressure Release Protection Design
The T521 features standard Pressure Release lever rotation technology that prevents damage to internal lock components when subjected to excessive force. This vandal-resistant design protects the lock mechanism from abuse while maintaining operational integrity in high-traffic institutional applications.
Why Choose Falcon Quality?
Falcon T521 cylindrical locks deliver professional-grade reliability with compression spring construction that exceeds ANSI/BHMA Grade 1 cycle test requirements and UL 3-hour A label fire rating certification. The heavy-duty design with through-bolt construction and Pressure Release technology provides dependable performance in demanding commercial applications. Engineered for high-use institutional environments where consistent operation and vandal resistance 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"
- ANSI/BHMA:
- F81
- 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:
- Office
- Product Attribute:
- Cylindrical Locks
- Product Model:
- T521
- Product Function:
- Office
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware