Definition(s)
Fitting
Pressure-tight fluid-containing component with a geometry different from straight pipe.
- EXAMPLE: Flanges, tees, elbows, reducers and fabricated branch.
Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards
Fitting
Piping component usually associated with a branch connection, a change in direction or change in piping diameter. Flanges are not considered fittings.
Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards