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Vetus ZINKAS45C Shaft Collar Zinc Anode Ø45 mm
The Vetus ZINKAS45C is a robust shaft collar zinc anode engineered for effective cathodic protection of propeller shafts with a diameter of 45 mm. Shaft anodes operate in a high-flow environment and must remain securely fixed throughout their service life. The ZINKAS series incorporates an interlock system in both halves, ensuring perfect alignment and preventing the anode from loosening, even as material is progressively consumed.
This anode is manufactured from high-purity zinc in accordance with MIL-A-18001K specifications, providing stable electrochemical performance in saltwater and brackish environments. Shaft anodes are not recommended for high-speed vessels, as they may generate turbulence around the propeller and, during erosion, can introduce imbalance in the shaft. For such applications, a propeller nut with an integrated anode is preferred. For standard propulsion systems, the ZINKAS45C delivers dependable long-term shaft protection.
Key Features
- Split shaft collar zinc anode for Ø45 mm shafts
- Manufactured to MIL-A-18001K specification
- Integrated interlock system for precise alignment
- Four-bolt fastening for high mechanical stability
- Designed to remain fixed even during advanced erosion
Technical Specifications
Parameter Value Product Code ZINKAS45C Anode Material Zinc (MIL-A-18001K) Anode Type Shaft collar anode Shaft Diameter 45 mm Outer Diameter 80 mm Height 77 mm Number of Bolts 4 Weight 0.92 kg
Application Parameters
- Cathodic protection of propeller shafts
- Recommended for saltwater and brackish environments
- Designed for standard-speed propulsion systems
- Split design allows installation without shaft removal
- Recommended inspection annually and replacement at 50% wear
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