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Item no.
Description
for shaft
Material
Area of application
Shape
Length
Width
Weight
Stock status
Price
Quantity
Description
Collar nut anode
EAN 1957000000747
for shaft
22 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
47 mm
Width
50 mm
Weight
0.35 kg
Stock status
62 in stock    
Price
€11.72
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000000754
for shaft
25 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
56 mm
Width
56 mm
Weight
0.5 kg
Stock status
more than 100 in stock    
Price
€11.72
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000000808
for shaft
30 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
56 mm
Width
56 mm
Weight
0.45 kg
Stock status
more than 100 in stock    
Price
€11.72
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000000846
for shaft
35 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
67 mm
Width
65 mm
Weight
0.65 kg
Stock status
77 in stock    
Price
€13.40
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 8033837062721
for shaft
40 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
77 mm
Width
82 mm
Weight
1 kg
Stock status
96 in stock    
Price
€20.13
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000000914
for shaft
45 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
83 mm
Width
81 mm
Weight
1.135 kg
Stock status
71 in stock    
Price
€27.69
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000000938
for shaft
50 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
83 mm
Width
81 mm
Weight
1.03 kg
Stock status
37 in stock    
Price
€28.53
Excl. VAT, excl. shipping costs.
Quantity
Description
Collar nut anode
EAN 1957000001041
for shaft
60 mm
Material
Zinc
Area of application
Salt water
Shape
Not specified
Length
98 mm
Width
98 mm
Weight
1.95 kg
Stock status
23 in stock    
Price
€49.54
Excl. VAT, excl. shipping costs.
Quantity

Product details

Zinc anodes, also called "sacrificial anodes", protect all metal parts below the waterline from corrosion. To prevent corrosion of the hull, the anode oxidises faster than the metal it is protecting, sacrificing itself before the other metal reacts with the electrolytes. The water, which acts as an electrolyte here, varies in its aggressiveness depending on the navigable waters.

Typically anodes have to be replaced once per season. In harsh water conditions, a more frequent replacement schedule might be necessary. Anodes are mounted along the keel. The electric current is higher at the stern post due to the propeller being located there. It is advisable to install several anodes in this area. Anodes should also be mounted on the rudder and propeller shaft. For vessels that are predominantly operated in fresh water, we recommend aluminium anodes because aluminium has a relatively high driving voltage compared with zinc.
These nut-shaped anodes are available in different sizes.

What other SVB customers have to say

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Eduardo Martins D.
Flag of Portugal Verified purchase 16603
The last one worked very well
Guido D.
Flag of United States Verified purchase 16604
no name on packet , only adress
Ken Klitgaard J.
Flag of Denmark Verified purchase 16639
Value for money, fast delivery
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