Pipeline Transportation Systems for Liquids and Slurries
Purpose and Scope of ASME B31.4-2022
ASME B31.4, Pipeline Transportation Systems for Liquids and Slurries, is a key part of the ASME Code for Pressure Piping. Its main purpose is to ensure the integrity, safety, and reliable transportation of hazardous and non-hazardous liquids through extensive pipeline networks. The comprehensive nature of the standard means it applies to all phases of a liquid pipeline’s existence.
The scope of the standard covers pipelines and associated auxiliary facilities transporting a variety of liquid products, including:
The components and facilities covered include:
Application and Use
ASME B31.4 is the foundational technical reference for companies operating in the liquid pipeline sector. It is used to govern the processes of the pipeline's entire life cycle:
In the U.S. and many other countries, this ASME code is often adopted or cited by government agencies (like PHMSA) to form the basis of mandatory safety regulations for the liquid transportation industry.
| SDO | ASME: American Society of Mechanical Engineers |
| Document Number | B31.4 |
| Publication Date | Dec. 8, 2022 |
| Language | en - English |
| Page Count | 134 |
| Revision Level | |
| Supercedes | |
| Committee |