410 Series Semaphore Lock

Rivers Series 410 Four Point Semaphore Lock is a high-security surface-mounted locking system designed for solid core double door units. It provides four-point engagement to secure both leaves and the door frame for maximum 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
  • 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.

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