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Vetus ZINKAS50C Shaft Collar Zinc Anode for 50 mm Propeller Shaft
The Vetus ZINKAS50C shaft collar anode is engineered to provide effective cathodic protection for marine propeller shafts with a diameter of 50 mm. Manufactured from high-quality zinc in accordance with MIL-A-18001K, this anode is designed for precise fit and long-term reliability in saltwater environments.
The two-piece construction incorporates an interlock system in both halves, ensuring perfect alignment during installation. Even as the anode erodes over time, this system prevents the unit from coming loose on the shaft. The anode is secured using four bolts, providing stable and consistent contact.
Shaft anodes are not recommended for high-speed vessels, as they can create turbulence in the water flow around the propeller and may cause imbalance as they wear. These effects do not occur when using a VETUS propeller nut with an integrated zinc anode.
Key Features
- Designed for Ø50 mm propeller shafts
- Two-piece collar design with integrated interlock system
- Maintains alignment even during erosion
- Manufactured from marine-grade zinc (MIL-A-18001K)
- Secured with four mounting bolts
- Provides effective corrosion protection for marine shafts
Technical Specifications
Parameter Value SKU ZINKAS50C Manufacturer Vetus Anode Type Shaft Material Zinc (MIL-A-18001K) Shaft Diameter 50 mm Height 88 mm Maximum Outer Diameter 93 mm Weight 1.2 kg Number of Bolts 4
Application
- Marine propeller shafts with Ø50 mm diameter
- Saltwater environments requiring cathodic protection
- Boats and vessels operating at standard cruising speeds
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