420 Series Semaphore Lock

The Rivers Series 420 Four Point Semaphore Lock delivers enhanced security for solid core double door units, combining four-point locking with external key access and cylinder protection.

Key Features:

• Four 25mm x 10mm locking bars
• 45mm throw to frame head
• 45mm throw to floor
• Two locking bars secure into receiving cups on passive leaf
• Engineered for applications where external access and increased cylinder protection are required
• Made to order based on opening height

The internal lever handle rotates downward 90 degrees to disengage all locking bars, ensuring compliance with the Building Code of Australia for emergency egress.