UNDERGROUND OIL PIPES TANKS CATHODIC PROTECTION MAGNESIUM ANODES SACRIFICAL FOR STEEL PIPES SYSTEM

Prepacked Magnesium Anodes Sacrifical AZ63C For Steel Pipes Underground Anti Corrosion Cathodic Protection System

Magnesium anodes are available with several different chemical compositions, but in two basic generic types with voltage outputs of approximately1.55 and 1.75 volts (with reference to a copper/copper sulphate reference electrode). The performance characteristics for each type are indicated in Table 1. The following table of current outputs (Table 2) maybe utilised in general design calculations and is based upon the following parameters: i. The current outputs given are approximate only and are calculated taking the polarised potential of the cathode to be 900mV (with reference to a Cu/CuSO4reference electrode).ii. The maximum useful life of magnesium alloy anodes is generally limited to about 10/12 years regardless of the theoretical life. iii. The final steady current output is given in milli amps. Only the most commonly used packaged anodes are considered in this table. For information on other anodes please ask for separate literature

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