ASME B31.3 is a section of the main ASME B31 code of Pressure Piping. It prescribes the guidelines for designing, fabrication, assembly, erection, inspection, and testing process piping to help various groups like designers, fabricators, and operators. ASME B31.3 piping is typically found in petroleum refineries; chemical, pharmaceutical, textile, paper, food processing industries, semiconductor, cryogenic plants, and related processing plants. This code is published as separate document for convenience.
This code applies to all fluids including:
- Petroleum products
- Raw, intermediate, and finished chemicals
- Gas, steam, air and water
- Fluidized solids
- Refrigerants
- Cryogenic fluids
It also included is piping which interconnects pieces or stages within a packed equipment assembly.
This is one of the most popular codes of ASME B31. It has been adopted by many jurisdictions worldwide as a code and part of regular business contracts. Proper training and careful application of this code help engineers comply with regulations with achieving cost and safety benefits.
Reference(s): www.asme.org
