Guideline for Determining the Extent of External Vessel Corrosion on Foam Insulated MC-331 Carbon Dioxide and Nitrous Oxide Tank Trailers

Published by	Publication Date	Number of Pages
CGA	06/06/2022	22

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Category: CGA

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CGA P-94 – Guideline for Determining the Extent of External Vessel Corrosion on Foam Insulated MC-331 Carbon Dioxide and Nitrous Oxide Tank Trailers

This publication establishes guidelines for the removal of insulation and the inspection of the vessel exterior on foam insulated carbon steel MC-331 carbon dioxide and nitrous oxide tank trailers.

It is recommended that any time a trailer is reinsulated, the pressure vessel be inspected for corrosion so problems can be identified, prevented, and/or repaired before the shell thickness is less than the minimum required thickness.