What is the best commercial mortise lock?

The Schlage L9000 is the most widely specified. The Sargent 8200 has the highest cycle count at 14M+. The Corbin Russwin ML2000 is heavily specified on government projects. All are ANSI/BHMA Grade 1.

What is the difference between Grade 1 and Grade 2 locks?

Grade 1 locks are tested to 1,000,000+ cycles with higher impact resistance. Grade 2 are rated for 250,000 cycles. Grade 1 is standard for commercial exterior doors and high-traffic areas.

What is the best door lock for school classrooms?

The Schlage ND78 classroom security lock allows locking from inside without opening the door, meets ADA requirements, and maintains fire egress compliance.

What is the difference between Schlage ND and ALX?

ND is Grade 1 with 1M+ cycles and electrified options. ALX is Grade 2 with 250K cycles and modular chassis at lower cost. They share the same lever designs.

What is the most common commercial door closer?

The LCN 4040XP is the most widely specified surface-mounted commercial door closer in the US, covering sizes 1-6 and all three mounting types.

What locks are used in hospitals?

Grade 1 mortise locks on high-traffic doors, cylindrical locks on patient rooms, electronic access with audit trails on pharmacy and restricted areas.

How much cheaper is wholesale vs retail door hardware?

Wholesale pricing on commercial door hardware is typically 20-40% below manufacturer list price. Project quotes for large orders can be even lower.

Dortronics 7286-PT5 7286 Series Local Door Prop Alarm, Alarm with 0 Sec to 90 Minute Door Open Delay, Local Alarm Piezo,

$599.00

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Brand: Dortronics
SKU:: 7286-PT5

$599.00

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Dortronics

7286-PT5

7286 Series Local Door Prop Alarm, Alarm with 0 Sec to 90 Minute Door Open Delay, Local Alarm Piezo, Alarm Output DPDT Relay, Tri-State LED, Adjustable Local Warning Time Delay and Mirrored Door Switch Output, Standard Single Gang Plate

Manufacturer	Dortronics
Model	7286 Series
Dimensions	1 Gang series dimensions H-4-1/2" x W-2-3/4 ".
Power	Alternate action with DPDT 3 amps @ 125 VAC Minimum. Momentary action with 1 set each NO/NC. 10 amps @ 125 VAC Minimum
Sound Pressure	95 dB piezo audible sounder
Warranty	1 Year Warranty
Weight	3.0000