Prepackaged Cast Iron Anodeconsists of high silicon cast iron anode, coke, vent-pipe and outersteel pipe. The anode is fixed in the center of steel pipe, annulusfilled and tamped with carbonous coke backfill.

It has the advantage of lowconsumption and grounding resistance, saves a lot of time wheninstalling the anode in the field and ensures the quality of theinstallation.

In seawater or fresh water, wesuggest using high silicon cast iron alloy containing of chromiumor chromium molybdenum to resist the corrosion ofchlorines.