Definition(s)
Pressure-containing
Product or part whose failure to function as intended results in a release of retained fluid to the atmosphere.
Source: API STANDARD 18LCM, Product Life Cycle Management System Requirements for the Petroleum and Natural Gas Industries, First Edition, April 2017. Global Standards
Pressure-containing
Part whose failure to function as intended results in a release of wellbore fluid to the environment (API 6A).
Source: API TR 1PER15K-1, Protocol for Verification and Validation of High-pressure High-temperature Equipment, First Edition, March 2013. Global Standards