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Current Requirement

Current Requirement
 Pipe  AST  UST
Diameter =      Length =     ft.  
Coating Quality =    Current Density =   
UST Head Geometry
Head 1:   none   flat   hemisphere 
Head 2:   none   flat   hemisphere 
Surface Area  =     sq.ft.
Current Requirement =     Amps.

* Energy capability is based on an efficiency of 95% for zinc, 85% for aluminum, and 50% for magnesium

Formula Used:
Where

L = years of life
W = anode weight in lbs
C = energy capability in amp-hrs per lb
I = current output in amperes
U = utilization factor as a decimal
8760 = hours in 365 days

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