A High Pressure Fluid Service (or Category K Fluid Service) for the process piping design is the owner specified the temperature and pressure rating more than 2500# or to use of Chapter IX of ASME B31.3 (piping design and construction) for piping design. There are no specified pressure limitations for the application of the high pressure piping rules, but High Pressure Fluid Service should also meet the requirements of Chapter IX of B31.3. (Refer to the Fluid Service (ASME B31.3))
Related Definitions in the Project: The Piping and Pipeline Engineering
