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ETL 1110-9-10(FR)
5 Jan 91
Tubular Anodes (Bare)
Seawater -- Current in amp per anode (15--Year Design Life)
1 in. x 19.7 in.
25
amp
1 in. x 39.4 in.
50
amp
0.63 in. x 19.7 in.
15
amp
0.63 in. x 39.4 in.
30
amp
Sea Mud - Current in amp per anode (20-Year Design Life)
1 in. x 19.7 in.
6 amp
1 in. x 39.4 in.
12 amp
Fresh Water -- Current in amp per anode (20--Year Design Life)
1 in. x 19.7 in.
4.00
amp
1 in. x 39.4 in.
8.00
amp
0.63 in. x 19.7 in.
2.50
amp
0.63 in. x 39.4 in.
5.00
amp
Current Density Limitations
Wire and Rod Anode
Anode Life Versus Maximum Current Density (ampere/sq ft)
Life
(years)
Coke
Fresh Water
Brackish Water
Seawater
10
19
24
31
52
15
15
19
27
45
20
13
16
24
41
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* Anode packaged in coke breeze
122
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