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Sargent 8237 LE1L Classroom Function Mortise Lockset - LA Keyway
The Sargent 8237 LE1L is a premier Grade 1 Heavy-Duty Mortise Lockset engineered specifically for the rigorous demands of K-12 schools, universities, and administrative buildings. As a cornerstone of the world-renowned Sargent 8200 Series, it is recognized as the industry benchmark for physical security and mechanical longevity, far exceeding ANSI/BHMA A156.13 Series 1000 standards. The 8237 Classroom Function (ANSI F05) provides essential access control, allowing faculty and staff to secure rooms from the exterior while ensuring occupants always have a safe, unhindered exit.
Critical Classroom Security (ANSI F05)
The 8237 function is designed to provide robust perimeter security without compromising life-safety compliance. It ensures that authority over the room's locking status remains strictly with keyholders.
- Key-Controlled Access: The exterior lever is locked or unlocked only by a physical key using the standard Sargent LA Keyway. When locked, the outside lever remains rigid to prevent unauthorized entry.
- Constant Life-Safety Egress: Regardless of whether the outside is locked, the inside lever is always operative, allowing for immediate exit in an emergency.
- Deadlocking Latchbolt: Features a stainless steel auxiliary deadlatch that prevents "shimming" or forced manipulation of the latch when the door is closed.
- Smooth Mechanical Action: Requires only 30° of lever rotation to retract the latchbolt, reducing physical strain on the mechanism and the user.
Heavy-Duty LE1L Escutcheon Trim
The LE1L trim configuration offers a clean, linear architectural aesthetic paired with industrial-strength protection for the door and the lock body.
- LE1 Escutcheon Plate: This full-height linear escutcheon provides a heavy-duty mounting surface that reinforces the door and protects the LA Keyway cylinder and internal components from tampering or vandalism.
- L Lever Design: The L Lever provides a sleek, modern profile that is fully ADA compliant, allowing for effortless operation without requiring a tight grip, pinch, or wrist twist.
- Superior Durability: The Sargent 8200 Series is independently verified to exceed 14 million cycles—14 times the requirement for Grade 1 certification—offering an unmatched total cost of ownership.
- Anti-Sag Technology: High-carbon steel spring cartridges and heavy-duty wrought steel hubs ensure the L Lever remains perfectly horizontal, preventing "lever sag" even after decades of high-frequency use.
Key Product Features
- ANSI/BHMA Grade 1 Certified: The highest industry rating for mechanical strength and operational longevity.
- Classroom Function (F05): Exterior key locks or unlocks the handle; interior is always free for egress.
- Fire-Rated Safety: UL/cUL Listed for use on 3-hour fire-rated doors, essential for corridor and classroom safety.
- Vandal-Resistant Construction: Built on a 12-gauge heavy-duty wrought steel lock case that is zinc dichromate plated for maximum corrosion resistance.
- Stainless Steel Latchbolt: Features a 3/4" throw anti-friction latchbolt for quiet, smooth operation and long-term reliability.
- Universal Handing: The non-handed chassis is easily field-reversible to accommodate any door swing.
Technical Specifications
| Feature | Details |
| Function | 37 Classroom (ANSI F05) |
| Series | 8200 Heavy-Duty Mortise |
| Trim Style | LE1L (LE1 Escutcheon / L Lever) |
| Cylinder | 6-Pin Brass, LA Keyway |
| Backset | 2-3/4" (Standard for Mortise Locks) |
| Latchbolt | 3/4" Throw Stainless Steel Anti-Friction |
| Case Material | 12-Gauge Wrought Steel |
| Warranty | 10-Year Mechanical Limited Warranty |
Ordering & Installation Information
The Sargent 8237 LE1L is designed for efficient installation into standard mortise door preparations. This unit is fully compatible with Sargent High-Security Key Systems, including Degree®, Signature, and Keso, as well as Interchangeable Core (IC) formats for facilities requiring rapid re-keying.
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Sargent Keyways | LC - Less Cylinder or LA Keyway or 60 - LFIC less Core or 70 - SFIC less Core |
| Brand | Sargent |
| ANSI Mortise Lock Function | F05 - Classroom |
| Trim Design | LE1L |
| Series | Sargent - 8200 Series |
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