Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 22: Lists of Properties (LOPs) of valve body assemblies for electronic data exchange
IEC 61987-22:2015 provides Operating Lists of Properties (OLOP) for the description of the operating parameters and the collection of requirements for valve body assemblies and process regulators, Device Lists of Properties (DLOPs) for the description of various types of valve body assemblies and process regulators.