Libraries ISO 15926 Part 4: Core reference data - Edition 4 IRIS VALVE

IRIS VALVE

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/IRIS_VALVE
Definition An <IRIS VALVE> is an <ARTEFACT> and a <VALVE> that has a multiple leaved closure member which can be moved towards the centre of the valve bore until it forms a tight, solid barrier