ID
977706
$ 50.70
1-2 weeks delivery time
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Vetus ZINKAS40C is a split shaft collar zinc anode designed for propeller shafts with a diameter of 40 mm. Manufactured from high-purity zinc to MIL-A-18001K specification, it features an outer diameter of approximately 80–81 mm, a height of 77 mm, and a weight of 1.10–1.30 kg. The two-piece construction with integrated interlock system and four-bolt fastening ensures precise alignment and secure mounting, providing reliable cathodic protection for shafts operating in saltwater and brackish environments.
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Vetus ZINKAS40C Shaft Collar Zinc Anode Ø40 mm
The Vetus ZINKAS40C is a heavy-duty shaft collar zinc anode engineered for effective cathodic protection of propeller shafts with a diameter of 40 mm. Shaft anodes operate in high-flow conditions 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 predictable 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 conventional propulsion systems, the ZINKAS40C delivers dependable and long-term shaft protection.
Key Features
- Split shaft collar zinc anode for Ø40 mm shafts
- Manufactured to MIL-A-18001K specification
- Integrated interlock system for precise alignment
- Four-bolt fastening for increased mechanical stability
- Designed to remain fixed even during advanced erosion
Technical Specifications
Parameter Value Product Code ZINKAS40C Anode Material Zinc (MIL-A-18001K) Anode Type Shaft collar anode Shaft Diameter 40 mm Outer Diameter 80–81 mm Height 77 mm Number of Bolts 4 Weight 1.10–1.30 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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