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MgDuff CMAN Zinc Propeller Shaft Cap Nut Anodes with Tapered Section and Keyway – Ø25–45 mm
The MgDuff CMAN Zinc Propeller Shaft Cap Nut Anode is a sacrificial anode designed to protect metal components of marine propeller assemblies against corrosion. Manufactured from zinc, the anode is available in five sizes for propeller shaft diameters ranging from 25 to 45 mm.
The CMAN range features a tapered section with an integrated keyway designed to match the OEM hub supplied with Beneteau and Jeanneau propeller configurations. Each model has a specified shaft diameter, mounting hole diameter and external anode diameter, allowing selection according to the required installation dimensions.
Key Features
- Brand: MgDuff
- Series: CMAN
- Product Type: Propeller shaft cap nut anode
- Material: Zinc
- Shape: Round
- Application: Marine propeller assemblies
- Design: Tapered section with integrated keyway
- Hub Compatibility: Designed to match the OEM hub used in Beneteau and Jeanneau propeller configurations
- Function: Sacrificial corrosion protection for metal components
- Shaft Diameter Range: 25–45 mm
- Mounting Hole Diameter Range: 25–45 mm
- External Anode Diameter Range: 34–61 mm
- Available Variants: 5 sizes
- Sales Unit: 1 piece
Technical Specifications and Available Models
The MgDuff CMAN range includes five zinc cap nut anodes with different shaft diameters, mounting hole sizes and external diameters. All dimensions are specified in millimetres.
Product Number Shaft Diameter (mm) Hole Diameter (mm) External Diameter (mm) CMAN225 25 25 34 CMAN230 30 30 42 CMAN235 35 35 46 CMAN240 40 40 51 CMAN245 45 45 61
Construction and Design
The MgDuff CMAN anode is manufactured from zinc and incorporates a tapered section with an integrated keyway. This configuration is designed to correspond to the OEM hub supplied with the Beneteau and Jeanneau propeller assembly.
- Zinc Construction: Provides sacrificial corrosion protection for marine metal components.
- Tapered Section: Designed to match the corresponding OEM propeller hub configuration.
- Integrated Keyway: Incorporated into the tapered section.
- Round Anode Body: Available with external diameters from 34 to 61 mm.
- Mounting Hole: Available in diameters of 25, 30, 35, 40 and 45 mm.
Dimensions and Model Selection
The CMAN series is available in five versions. Each model has a shaft diameter and mounting hole diameter of the same nominal size, while the external anode diameter varies.
- CMAN225: For Ø25 mm shafts, with a Ø25 mm mounting hole and Ø34 mm external diameter.
- CMAN230: For Ø30 mm shafts, with a Ø30 mm mounting hole and Ø42 mm external diameter.
- CMAN235: For Ø35 mm shafts, with a Ø35 mm mounting hole and Ø46 mm external diameter.
- CMAN240: For Ø40 mm shafts, with a Ø40 mm mounting hole and Ø51 mm external diameter.
- CMAN245: For Ø45 mm shafts, with a Ø45 mm mounting hole and Ø61 mm external diameter.
When selecting a replacement anode, check the shaft diameter, mounting hole diameter and external anode diameter. The tapered section and integrated keyway should also correspond to the existing OEM propeller hub configuration.
Application and Corrosion Protection
The MgDuff CMAN anode is intended for use with propeller shaft cap nut assemblies. Its tapered section and integrated keyway are designed for the OEM hub configuration associated with Beneteau and Jeanneau propeller constructions.
The zinc anode functions as a sacrificial component, corroding preferentially to help protect other metal components of the propeller assembly against corrosion.
Product Identification
Product Number Shaft Diameter EAN Code CMAN225 25 mm 0628309113087 CMAN230 30 mm 0628309113094 CMAN235 35 mm 0628309113100 CMAN240 40 mm 0628309113117 CMAN245 45 mm 0628309113124
Sales Unit: 1 zinc cap nut anode.
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