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PDQ MR141 BFSF Storeroom with Deadbolt Function Mortise Lockset - Grade 1
The PDQ MR141 BSN (often ordered as BFSF for the Boston lever on an F-Series Sectional (round rose, wrought trim)) is a premier Grade 1 Storeroom with Deadbolt Function Mortise Lockset engineered for demanding commercial environments. While typical commercial locks are rated for one million cycles, the PDQ MR Series is tested to over 11 million cycles -- extending the hardware lifespan by 11 times the industry standard. This lockset secures storerooms and utility spaces with a keyed exterior, a deadbolt, and single-motion egress from the inside.
Constructed with a heavy-duty 12-gauge cold rolled steel mechanism and a 1-inch throw investment cast stainless steel deadbolt, the MR141 provides a formidable defense against unauthorized entry. The Boston (BSN) lever offers a clean, architectural aesthetic in a US26D Satin Chrome finish. Its "return-to-door" design is not only ADA compliant but also serves as a safety solution by preventing clothing, bags, or straps from snagging on the hardware in busy corridors.
Function: Storeroom with Deadbolt
The Storeroom with Deadbolt function keeps the outside lever rigid, controls entry by key, and provides single-motion egress plus an interior deadbolt thumbturn:
- Latchbolt operated by lever from inside.
- Key outside retracts latchbolt.
- Key outside extends/retracts deadbolt.
- Rigid outside lever.
- Inside lever simultaneously retracts latchbolt and deadbolt.
- Auxiliary latch deadlocks latchbolt.
- Thumbturn inside extends/contracts deadbolt but doesn't effect outside lever.
Technical Specifications
| Feature | Details |
| Model | PDQ MR141 BSN (F-Series Sectional) |
| ANSI Function | -- (Storeroom with Deadbolt; no ANSI code) |
| Performance | 11 Million+ Cycles (11x Grade 1 Standard) |
| Chassis Case | 12-Gauge Cold Rolled Steel (Dichromated) |
| Lever Style | Boston (BSN) - Forged Brass Base |
| Deadbolt | 1" Throw Investment Cast Stainless Steel |
| Latchbolt | 3/4" Throw Stainless Steel, Anti-friction |
| Handing | Field Reversible (Specify for Strike) |
| Certifications | UL10C 3-Hour Fire Rated; HVHZ Hurricane Approved |
| Warranty | Lifetime Limited Warranty |
Engineered Solutions for Commercial Security
The PDQ MR Series addresses the specific technical and safety challenges of modern facilities:
- Vandal-Resistant Spindle: The "weakened spindle" design is a critical security solution. If the exterior lever is subjected to extreme torque or a hammer attack, the spindle breaks cleanly to prevent damage to the internal 12-gauge steel case, keeping the lock secure.
- Extreme Weather Durability: Certified for High Velocity Hurricane Zones (HVHZ) with a design load rating of +/- 70.0 PSF, this lockset provides the structural integrity necessary for coastal buildings.
- Anti-Sag Lever Technology: The MR Series utilizes independent, high-tension spring cartridges to ensure the Boston lever remains perfectly level throughout its multi-million cycle life.
- Simplified Key Management: Provided with a Schlage C (SCC) compatible cylinder, the MR141 integrates easily into existing master key systems. It also supports Interchangeable Core (IC) options for rapid re-keying.
- Fire Safety Compliance: With a UL 3-hour fire rating, this lockset ensures that commercial doors remain a reliable fire and smoke barrier, protecting occupants and property.
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 622 - US19 Flat Black or 629 - US32 Polish Stainless |
| Brand | PDQ |
| ANSI Mortise Lock Function | Storeroom with Deadbolt |
| Trim Design | BFSF |
| Series | PDQ - MR Series |
| Strike Type | 4-7/8 ANSI Strike - Hollow Metal Frames |
| Standard Cylinders and Keyways | Schlage C Keyway |
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