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PDQ SD148 PHL Classroom Function Cylindrical Lockset
Function Information:
- Latchbolt operated by lever from either side
- Outside lever locked by key from outside
- Outside lever unlocked by key from outside
- Inside lever always operates latch
- ANSI F84
The PDQ SD148 PHL is a high-performance Grade 2 Cylindrical Lockset specifically engineered for the unique security demands of educational facilities. Featuring the Philadelphia (PHL) lever style, this lockset offers a clean, architectural appearance while meeting the rigorous safety standards required for modern classrooms and public spaces.
As a Classroom Function (ANSI F84) lock, the SD148 provides essential security control without compromising life safety. The outside lever can be locked or unlocked via a key from the exterior, while the inside lever is always active—ensuring that students and staff can always exit the room immediately and safely (free egress) regardless of the locked status of the outside lever.
Vital Security for Educational Spaces
The PDQ SD148 is designed to prevent unauthorized entry while maintaining a simple, reliable user experience:
- Key-Controlled Access: The outside lever remains locked or unlocked based on the last key operation. This prevents students from accidentally locking or unlocking the door from the inside.
- Always-Active Interior: Meets all fire and life-safety codes by ensuring the interior lever never locks, preventing anyone from being trapped inside a room.
- Deadlocking Protection: Features a guarded latchbolt that resists tampering and shimming, providing an extra layer of perimeter security.
Technical Specifications
| Feature | Details |
| Model | PDQ SD148 PHL |
| Function | Classroom (ANSI F84) |
| Grade | Certified ANSI/BHMA A156.2, Grade 2 |
| Lever Style | Philadelphia (PHL) - ADA Compliant |
| Backset | 2-3/4" (Standard Commercial) |
| Strike | 4-7/8" ASA Strike |
| Latch | Deadlocking (Guarded) Latchbolt |
| Door Thickness | Fits 1-3/8" to 1-3/4" |
| Chassis | Cylindrical, Zinc Dichromated Steel |
Why the PDQ SD Series is the Choice for Schools
At DoorwaysPlus.com, we recommend the PDQ SD Series for projects where reliability and code compliance are paramount but budget efficiency is required.
- Safety First: The PHL lever features a "returned-to-door" design, which minimizes the risk of the lever catching on clothing or equipment during a high-traffic or emergency exit.
- Standardized Retrofit: With a 2-3/4" backset and a 4-7/8" ASA strike, the SD148 is a drop-in replacement for most standard commercial door preps, making it the perfect choice for school-wide hardware upgrades.
- Heavy-Duty Construction: The zinc-dichromated steel chassis offers excellent resistance to the daily wear and tear of a school environment, ensuring the lockset stays operational for hundreds of thousands of cycles.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613 - US10B Oil Rubbed Bronze or 605 - US3 Polish Brass or 622 - US19 Flat Black |
| Brand | PDQ |
| Standard Cylinders and Keyways | Schlage C Keyway |
| ANSI Cyl Lock Function | F84 - Classroom |
| Trim Design | PHL |
| Series | PDQ - SD Series |
| Backset | 2-3/4" Backset |
| Strike Type | 4-7/8 ANSI Strike - Hollow Metal Frames |
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