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1.888.800.MESA
Galvanic cathodic protection requires the periodic replacement of consumed anodes. In heater treaters and other production vessels, MESA aluminum anodes make the change-out process easy. These anodes deliver a voltage of 1.10 volts (with respect to an Ag/AgCl reference cell.) The alloy contains nominal percentages of indium, zinc and silicon. This combined with the anode's shape allows MESA's anodes to offer the best current output available. The chemical composition of this anode also has a proven track record for delivering superior protection in produced brines with elevated temperatures Mesalum indium alloy anodes are available for protection of steel in brackish water and sea water, even at elevated temperatures. Nominal capacity in ambient sea water is 1150 ampere hours/lb.
Typical Applications
MESA Aluminum anodes are recommended for use in heater-treaters, pressure vessels, barges, or any other type of structure requiring a compact, replaceable aluminum anode. The characteristics of the Mesalum alloy make it ideal for higher temperature or lower chloride saltwater environments
Composition
Zn
2.8-6.5% (Mesalum III)
Si
0.08=0.21% Max. (Mesalum III)
In
0.01-0.025% (Mesalum III)
Cu
0.006% Max. (Mesalum III)
Fe
0.12% Max (Mesalum III)
Other Each
0.02% Max. (Mesalum III)
Aluminum
Remainder
Electrochemical Properties
Electrode Potential (Cu/CuSO4) = 1.15 V (Mesalum)
Nominal Ampere Hours/Pound = 1150 (Mesalum)
Nominal Efficiency = 85% (Mesalum)
