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MgDuff Magnesium Teardrop Weld-On Hull and Rudder Anodes – MD76 / MD77
The MgDuff Magnesium Teardrop Anode is a sacrificial anode designed to protect boat hulls and rudders against galvanic corrosion. Manufactured from magnesium, it features a teardrop-shaped body with an extended mounting strip for installation on the vessel.
The range includes two models: MD76 and MD77. They differ in body dimensions, mounting strip length and mounting hole spacing. Both versions are designed for underwater hull and rudder applications, providing sacrificial corrosion protection for marine metal components.
Key Features
- Brand: MgDuff
- Product Type: Sacrificial hull and rudder anode
- Material: Magnesium
- Shape: Teardrop
- Design: Extended mounting strip with mounting holes
- Application: Boat hulls and rudders
- Function: Protection against galvanic corrosion
- Available Models: MD76 and MD77
- Sales Unit: 1 piece
Technical Specifications and Available Models
Specification MD76 MD77 Product Number 1795 1796 Material Magnesium Magnesium Shape Teardrop Teardrop Body Length 114 mm 157 mm Body Width 76 mm 83 mm Body Height 32 mm 41 mm Mounting Strip Length 160 mm 230 mm Mounting Hole Spacing (H.o.H.) 140 mm 200 mm Sales Unit 1 piece 1 piece
Dimensions and Model Selection
The MgDuff magnesium anode range includes two teardrop-shaped models with different body dimensions and mounting arrangements. Body dimensions are specified as length × width × height.
- MD76 (1795): Magnesium anode measuring 114 × 76 × 32 mm, with a mounting strip length of 160 mm and mounting hole spacing of 140 mm.
- MD77 (1796): Magnesium anode measuring 157 × 83 × 41 mm, with a mounting strip length of 230 mm and mounting hole spacing of 200 mm.
When selecting an anode, consider the body dimensions, mounting strip length and centre-to-centre mounting hole spacing to match the required installation dimensions.
Construction and Installation
Both models feature a teardrop-shaped magnesium body with a mounting strip extending beyond the anode. The strip features mounting holes, with different hole spacings depending on the model.
- Anode Body: Teardrop-shaped magnesium construction.
- Mounting Arrangement: Extended strip with mounting holes.
- Strip Length: 160 mm for MD76 and 230 mm for MD77.
- Hole Spacing: 140 mm for MD76 and 200 mm for MD77.
- Installation Location: Boat hull or rudder.
- Application: Underwater corrosion protection.
Galvanic Corrosion Protection
The magnesium anode functions as a sacrificial component, corroding preferentially to help protect other metal parts of the vessel against galvanic corrosion.
The MD76 model is described for saltwater environments. The MD77 model is described for use in both freshwater and saltwater environments.
The two models provide different body sizes and mounting dimensions for hull and rudder installations.
Product Identification
Model Product Number EAN Code MD76 1795 5060333961411 MD77 1796 5060333961428
Sales Unit: 1 magnesium anode.
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