MgDuff MGD Series Zinc Propeller Shaft Ring Anodes with Steel Core – Metric Ø25–70 mm

MgDuff Zinc Propeller Shaft Ring Anodes with Steel Core – Metric Ø25–70 mm

The MgDuff Zinc Propeller Shaft Anode is a ring-shaped sacrificial anode designed to protect marine propeller shafts against corrosion. Manufactured from zinc and equipped with a steel core, it is suitable for use in saltwater environments.

The integrated steel core prevents the anode from becoming loose around the propeller shaft. The range includes eight variants for metric shaft diameters from 25 to 70 mm. Different body lengths and external diameters are available to accommodate the required shaft size and installation dimensions.

Key Features

• Brand: MgDuff
• Product Type: Sacrificial propeller shaft anode
• Anode Material: Zinc
• Core Material: Steel
• Shape: Ring
• Application: Marine propeller shafts
• Suitable Water Type: Saltwater
• Shaft Diameter Range: 25–70 mm
• Anode Length Range: 32–100 mm
• External Diameter Range: 56–113 mm
• Available Variants: 8 versions
• Function: Sacrificial corrosion protection for propeller shafts

Technical Specifications and Available Sizes

The MgDuff zinc shaft anode range includes eight variants with different shaft diameters, body lengths and external diameters. All dimensions are specified in millimetres.

Construction and Design

The MgDuff propeller shaft anode features a zinc body with an integrated steel core. The steel core is designed to prevent the anode from becoming loose around the shaft, while the zinc body provides sacrificial corrosion protection.

• Zinc Body: Provides sacrificial protection against corrosion.
• Steel Core: Prevents the anode from becoming loose around the shaft.
• Ring-Shaped Construction: Designed for marine propeller shaft applications.
• Metric Shaft Sizes: Available for shaft diameters from 25 to 70 mm.

Dimensions and Shaft Compatibility

Select the anode according to the diameter of the propeller shaft. The overall length and external diameter should also be considered when checking the required installation dimensions.

• 591025: For Ø25 mm shafts. Length: 65 mm. External diameter: 56 mm.
• ZSC25: For Ø25 mm shafts. Length: 32 mm. External diameter: 63 mm.
• 591030: For Ø30 mm shafts. Length: 65 mm. External diameter: 56 mm.
• 591040: For Ø40 mm shafts. Length: 78 mm. External diameter: 69 mm.
• 591045: For Ø45 mm shafts. Length: 100 mm. External diameter: 85 mm.
• 591050: For Ø50 mm shafts. Length: 100 mm. External diameter: 85 mm.
• 591060: For Ø60 mm shafts. Length: 100 mm. External diameter: 85 mm.
• 591070: For Ø70 mm shafts. Length: 96 mm. External diameter: 113 mm.

Ø25 mm Shaft Anode Versions

Two different anodes are available for 25 mm propeller shafts. Although both versions have the same shaft diameter, their external dimensions differ.

When selecting an anode for a 25 mm shaft, check both the required body length and external diameter to distinguish between these two versions.

Corrosion Protection and Water Compatibility

The zinc anode functions as a sacrificial component, corroding preferentially to help protect the propeller shaft against corrosion.

These MgDuff shaft anodes are designed for use in saltwater environments. The steel core helps maintain the anode's position around the shaft, while the zinc body provides sacrificial corrosion protection.

Product Identification