August 2022

UL 58 and UL 1746 Corrosion-resistant Tanks

Corrosion-resistant Tanks These are base steel tanks (UL 58 primary or secondary types) provided with an external corrosion-protection system constructed and investigated to UL 1746, “External Corrosion Protection Systems for Steel Underground Storage Tanks.” These tank constructions may be Cathodic (Part I), Composite (Part II), Jacketed (Part III) or Coated (Part IV) types, and are suitable for containment of …

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UL 58 Steel Tanks

These are all-steel tanks constructed and investigated to UL 58, “Steel Underground Tanks for Flammable and Combustible Liquids,” and are not provided with an external corrosion-protection system investigated by UL. These tank constructions may be primary (single wall) or secondary (double wall) types, and are suitable for containment of general fuels and similar flammable and combustible liquids, as …

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Containment Products for Flammable and Combustible Liquids

Containment Products for Flammable and Combustible Liquids Guide Information for Flammable and Combustible Liquids and Gases Equipment This category covers various types of containment products, assemblies, accessories and components intended for the storage or transfer of flammable and/or combustible liquids with wide variations identified in the individual product categories, such as: nominal liquid capacity (up …

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