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PDQ MR186 MFSF Apartment Function Mortise Lockset - Grade 1
The PDQ MR186 MIA (often ordered as MFSF for the Miami lever on an F-Series Sectional (round rose, wrought trim)) is a premier Grade 1 Apartment 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 is built for apartment and multi-tenant corridor doors, where the outside lever is locked or unlocked by a key from the inside and entry is by key from the outside.
Constructed with a heavy-duty 12-gauge cold rolled steel mechanism, the MR186 provides a formidable defense against unauthorized entry. The Miami (MIA) 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.
ANSI Function F09: Apartment
The Apartment function operates the latchbolt from either side, lets a key inside lock or unlock the outside lever, and admits entry by key from the outside:
- Latchbolt operated by lever from either side.
- Key inside locks/unlocks outside lever.
- Key outside retracts latchbolt.
- Auxiliary latch deadlocks latchbolt.
- Not Field Reversible.
Technical Specifications
| Feature | Details |
| Model | PDQ MR186 MIA (F-Series Sectional) |
| ANSI Function | F09 (Apartment) |
| Performance | 11 Million+ Cycles (11x Grade 1 Standard) |
| Chassis Case | 12-Gauge Cold Rolled Steel (Dichromated) |
| Lever Style | Miami (MIA) - Forged Brass Base |
| Latchbolt | 3/4" Throw Stainless Steel, Anti-friction |
| Handing | Not Field Reversible -- specify LH (LHR) or RH (RHR) when ordering |
| 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 Miami lever remains perfectly level throughout its multi-million cycle life.
- Simplified Key Management: Provided with a Schlage C (SCC) compatible cylinder, the MR186 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.
Handing: This mortise lockset is Not Field Reversible. Specify the door hand when ordering -- LH (LHR) or RH (RHR). Refer to the diagram above to determine the hand of your door.
| 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 |
| Door Handing | LH or RH |
| Brand | PDQ |
| ANSI Mortise Lock Function | F09 - Apartment |
| Trim Design | MFSF |
| 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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