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Sargent 28-10XG15-3 LL Exit Latchset
Function Information:
The Sargent 28-10XG15-3 LL is a specialized Grade 1 Cylindrical Exit Latchset designed for high-abuse environments where entry is strictly prohibited, but emergency egress is vital. As part of the Sargent 10X Line, this hardware is engineered to withstand extreme physical force and high-frequency use, far exceeding the lifespan of standard commercial locks. The 15-3 function features a functional LL lever on the interior for immediate egress, while the exterior side is equipped with a blank plate and thru bolts, ensuring the door cannot be accessed or tampered with from the outside.
Industrial-Strength Performance
The Sargent 10X line is built to secure and protect. While most Grade 1 locks are tested to 1 million cycles, this device is UL verified to exceed 20 million cycles, providing a significantly lower total cost of ownership. It is designed to withstand 3,100 in-lb of abusive torque and 1,600 lbs of offset pull, making it virtually impenetrable to standard vandalism. The thru bolt mounting provides additional chassis stability, preventing the lock from twisting or loosening on the door over time.
Life Safety and Extreme Weather Compliance
This exit latchset is UL/cUL Listed for 3-hour fire doors and meets ADA standards for accessibility, requiring less than 5 lbs of force to operate the interior lever. For facilities in regions prone to severe weather, the 10XG15-3 is Windstorm and Hurricane certified, complying with the stringent Florida Building Code. The independent return springs ensure the interior handle remains perfectly level, eliminating the "lever sag" often seen in high-traffic commercial corridors.
Key Product Features
- Secure Exit-Only Function: Functional interior lever for egress; exterior features a tamper-proof blank plate.
- Reinforced Mounting: Supplied with thru bolts for maximum security and chassis longevity.
- Ultimate Durability: UL-verified for 20 million cycles, outperforming ANSI/BHMA A156.2 Grade 1 standards by 20 times.
- Vandal Resistant: Engineered to withstand high-impact vertical and horizontal forces.
- ADA & Fire Rated: Meets ANSI A117.1 accessibility requirements and 3-hour fire door safety codes.
- Linear LL Lever: Features a modern, ergonomic design with independent springs to prevent sagging.
Technical Specifications
| Feature | Details |
| Function | 15-3 Exit Latch with Blank Plate & Thru Bolts |
| Series | 10X Line Heavy-Duty Cylindrical |
| Lever Style | LL - ADA Compliant |
| Backset | 2-3/4" Standard (2-3/8", 3-3/4", 5" options) |
| Strike | 808 Curved Lip ANSI 4-7/8" (Standard) |
| Door Thickness | 1-3/4" to 2" (Adjustable chassis) |
| Latchbolt | 1/2" Throw Stainless Steel Deadlocking |
| Warranty | Ten-Year Limited Warranty |
Ideal Applications
- Commercial Rear Exits: Ideal for retail back-of-house doors that require high-security, one-way egress.
- Institutional Perimeter Doors: Schools and hospitals where outside entry must be physically blocked.
- Manufacturing Plants: Restricting access to sensitive zones while maintaining clear fire-exit pathways.
- High-Vibration Areas: The thru bolt design makes this ideal for doors subject to heavy slamming or mechanical vibration.
Ordering & Installation Information
The Sargent 28-10XG15-3 is non-handed, simplifying installation on any door swing. Standard orders include an 808 curved lip ANSI 4-7/8" strike. To ensure a perfect fit for specialized doors, please specify the door width and thickness upon order placement.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Freewheeling Option | Regular Lever |
| Brand | Sargent |
| ANSI Cyl Lock Function | F89 - Exit Latchset |
| Trim Design | LL |
| Series | Sargent - 10X Line |
| Occupancy Indicator | No |
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