text: Standard codes are followed when designing (or manufacturing) a piping system. Organizations which promulgate piping standards include:
  * ASME: American Society of Mechanical Engineers
  ** A112.19.1 Enameled cast-iron and steel plumbing fixtures standards
  ** A112.19.2 Ceramic plumbing fixtures standard
  * ASTM International: American Society for Testing and Materials
  * API: American Petroleum Institute
  * AWS: American Welding Society
  * AWWA: American Water Works Association
  * MSS: Manufacturers Standardization Society
  * ANSI: American National Standards Institute
  * NFPA: National Fire Protection Association
  * EJMA: Expansion Joint Manufacturers Association
  * CGA: Compressed Gas Association
  *PCA: [https://ablis.business.gov.au/service/ag/the-plumbing-code-of-australia-pca-/31066 Plumbing Code of Australia]
  Pipes must conform to the dimensional requirements of:
  * ASME B36.10M: Welded and seamless wrought-steel pipe
  * ASME B36.19M: Stainless-steel pipe
  * ASME B31.3 2008: Process piping
  * ASME B31.4 XXXX: Power piping