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.

Arrow AL500-36-689-LR Alarmed Exit Device, Wide Stile Pushpad, Rim, 36 In., Left Hand Reverse, Aluminum Painted

$810.00

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Brand: Arrow
SKU:: AL500-36-689-LR

$810.00

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Arrow

AL500-36-689-LR

Alarmed Exit Device, Wide Stile Pushpad, Rim, 36 In., Left Hand Reverse, Aluminum Painted

AL500 Series Exit Alarms

Designed for areas that require an alarm to sound upon exiting.

Once armed, any push rail movement will activate the horn in the push rail. The horn will continue to sound for two (2) minutes and shut off automatically. The LED will flash, indicating a violation has occurred.

Microprocessor based alarm board
When armed, alarm sounds immediately upon rail depression
All exit devices have tamper resistant latching (Guarded Latch)
Battery powered - 9VDC
103 Db @ 8 ft pulsating horn
Flashing red LED provides visible violation indication, reset by key only
Low battery alert
Field selectable continuous alarm option
Automatic re-arming option
Inside cylinder operation to arm or disarm unit uses a 1-1/8" (29mm) mortise cylinder with 001 cam. Cylinder ordered separately.
UL Listed and cUL Listed
UL Listed to Canadian Safety Standards
Rail Monitoring and Guarded Latch are standard internal features
Minimum door widths: E 32" only, F 32-1/4 - 36", G 36-1/4 - 48"