Corrpro Internal Vessel Anode Adapter

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anode adaptor

To protect your tank or vessel from internal corrosion, the Internal Vessel Anode Adapter by Corrpro is the most cost-effective choice. The anode adapter can be mounted on most ANSI rated flanged access ports on your tank or vessel. Most commonly used with a 3” – 150lb or 4” – 150lb ANSI access fitting, the internal vessel anode adapter is also available in a wider variety of port sizes and pressure ratings. When partnered with a sacrificial anode, anode adapter lead and a corresponding insulating kit, the internal vessel anode adapter completes the cathodic protection circuit in your tank to provide a low maintenance and easily serviceable option to mitigate internal corrosion.

  • Designed to work with most ANSI rated flanged access ports
  • 5/8” NF threading on the barrel to support most sacrificial anode sizes
  • Coated with Endura EX-2C for high resistance to chemicals, abrasions and impact

Designed with sizes to fit into the majority of flanged access ports on a tank or vessel.  The Internal Vessel Anode Adapter bolts onto most ANSI rated flange access ports and can hold several sacrificial anodes (when supported internally).


Corrpro supplies a full line of Internal Vessel Anode Adapters to meet your tanks criteria. To order the required adapter, indicate the size of the port you are installing on to, if you require an insulating kit, adapter lead, anode materials and support mechanism.

Ordering Procedure Example:





Port size

4" - 150lb

Anode Material


Lead Required


Insulating Kit Required



Corrpro U.S. Materials

11616 W 59th Street
Sand Springs, OK 74063

Ph: 1.866.CORRPRO
Fax: 713.460.6060


Corrpro Canada Materials & Corrpower Manufacturing

10848 – 214 Street N.W.
Edmonton, Alberta  T5S 2A7
Phone: 780.447.4565