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The LIDA® Grid anode-originally developed for the cathodic protection of steel reinforced concrete structures, it has found a specific application in CP of above ground storage tank, in particular when secondary containment is present.
Advantages
It allows to design distributed anode systems in order to reach uniform protection and current distribution
Easy to handle and install
Effectively stops the external corrosion on the tank bottoms
No requirement for calcined petroleum coked backfill, saving time during installation
Environmentally friendly, avoiding the need for drilling and reducing risks, with a secondary containment membrane, in case of liquid leak
Low life-cycle costs and extended anode life of over 50 years
Applications
Ground Storage Tank
New Tank installations with secondary containment liners.
Material Specifications
Tank Mesh Ribbon
Unit
Type 1
Type 2
Current Rating at 10 A/m²
mA/m
480
240
Current density MAX
A/m²
10
Dimensions Width
mm
20
Thickness
0.9
Unit Length
m
Weight (approx) per roll of 26 m
g/roll
738
369
Electrical Resistance
Ohm/m
0.22
0.43
Max Expected design life
Years
50
Material Specification
Tank Solid Ribbon
1/4" Ribbon
1/2" Ribbon
Current Rating
15.1
30.2
6.3
12.7
0.63
Cross Section
mm²
4.03
8.06
Surface Area
m²/m
0.014
0.0266
Weight
g/m
18.2
36.4
Electrical resistance
0.14
0.069
Item
1/4" x .025" Lida 580: Type 1
1/2" x .035" Lida 365: Type 2
