Sacrificial Anodes

Seaguard offers a full range of zinc caps and anodes to meet your needs.

Seaguard zinc anode caps are engineered to fight and prevent corrosion. When the Seaguard zinc cap anodes are attached by threading on, they protect the flanges and mechanical joints by becoming sacrificial anodes. Seaguard zinc cap anodes are made from only the highest grade metal and manufactured to meet ASTM Standard B418 (latest version) Type II.

  • Made from only highest purity zinc
  • Thread on for easy installation
  • Protect flanges and mechanical joints
Large Zinc Caps – 6 oz.
Part IDThread SizeWrench Size
SGZC6255/8-11 UNC1 ½”
SGZC7503/4-10 UNC1 ½”
Large Zinc Caps – 2.5 oz.
Part IDThread SizeWrench Size
SGZC625S5/8-11 UNC1”
SGZC750S3/4-10 UNC1”
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