Pset_ValveTypeFlushingDefinition from buildingSMART International: Valve that flushes a predetermined quantity of water to cleanse a WC, urinal or slop hopper.
Note that a flushing valve is constrained to have a 2 port pattern.
Entity specific property setIfcValveTypeIfcValveType.PredefinedType="FLUSHING"FlushingRateThe predetermined quantity of water to be flushedHasIntegralShutOffDeviceIndication of whether the flushing valve has an integral shut off device fitted (set TRUE) or not (set FALSE)IsHighPressureIndication of whether the flushing valve is suitable for use on a high pressure water main (set TRUE) or not (set FALSE)