KAZ Customized Shaft Disconnecting Devices

The KAZ from RENK offers manual disconnection/connection of the main 2-stroke engine from the propeller. In a single screw vessel the KAZ is crucial in the event of damage to the main engine, enabling the vessel to continue to a safe harbor by disengaging the main machine from the shaft system.

  • Safety-Critical Functionality: The KAZ device enables safe disengagement of the main machine, allowing the electric motor to take over and maneuver the vessel to a secure location.
  • Combined Bearing Function: In its open state, the KAZ functions as both a supporting and axial bearing, transferring thrust to the motor’s stationary thrust bearing.
  • Friction-Free Operation: When closed, the KAZ rotates friction-free, maintaining rigidity in the shaft system.
  • Adaptability for Dual Propulsion Systems: The KAZ can be used in vessels with two independent propulsion systems, preventing a defective drive from rotating due to propeller "wind milling."
  • Reduced Resistance: The KAZ allows for free “wind milling,” reducing resistance and improving overall efficiency.

RENK’s KAZ disconnecting devices provide essential safety and operational flexibility for vessels with electric PTH systems, ensuring reliable maneuvering even in emergency situations.

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