Zinc anodes

Anodes for flush mounting with steel inserts for welding or bolting to the stucture (holes for bolting upon request).

Standard anode sizes are shown below. Other anode types or sizes can be custom-made.


Data sheets

Technical data sheets for various sacrificial anodes alloys.
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Zinc versus aluminium anodes

Should you use zinc or aluminium anodes?
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Anode production

Most anodes from Cathwell are made by BAC, one of Europe's largest anode manufacturers.
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Anode type Weight (kg)
Dimensions (mm)
  Gross Net L1 L2 H W
2-Z 0.22 0.17 98 140 13 33
5-Z 0.5 0.45 120 164  23  46 
10-Z 1.0  0.9 140  210  28 62
Z-10 1.0 0.95 140 180 20 70
Z-18 1.8 1.7 157 230 25 82
20-Z 2.0 1.9  165  210  30  90 
Z-30 3.0 2.8 245  320  26  78 
35-Z 3.5 3.2 220 300 30 96
Z-51 5.1 4.6 310  400  32  84 
55-Z 5.5 5.1 260 350 33 113
Z-85 8.5 8.1 395 500  34  98 
102-Z 10.2 9.3 350 450 33 150
Z-108 10.8 10.2 375 480 41 125
155-Z 15.5 14.7 590 700 45 116
Z-160 20.0  19.3  535  630  40 118
Z-220 22.0 20.6 680 800 48 125
235-Z 23.5 21.5 960 1060 40 120
Z-270 27.0 25.3 780 900 47 125