enum IfcValveTypeEnum { kIfcValveTypeEnum_AIRRELEASE, kIfcValveTypeEnum_ANTIVACUUM, kIfcValveTypeEnum_CHANGEOVER, kIfcValveTypeEnum_CHECK, kIfcValveTypeEnum_COMMISSIONING, kIfcValveTypeEnum_DIVERTING, kIfcValveTypeEnum_DRAWOFFCOCK, kIfcValveTypeEnum_DOUBLECHECK, kIfcValveTypeEnum_DOUBLEREGULATING, kIfcValveTypeEnum_FAUCET, kIfcValveTypeEnum_FLUSHING, kIfcValveTypeEnum_GASCOCK, kIfcValveTypeEnum_GASTAP, kIfcValveTypeEnum_ISOLATING, kIfcValveTypeEnum_MIXING, kIfcValveTypeEnum_PRESSUREREDUCING, kIfcValveTypeEnum_PRESSURERELIEF, kIfcValveTypeEnum_REGULATING, kIfcValveTypeEnum_SAFETYCUTOFF, kIfcValveTypeEnum_STEAMTRAP, kIfcValveTypeEnum_STOPCOCK, kIfcValveTypeEnum_USERDEFINED, kIfcValveTypeEnum_NOTDEFINED, kIfcValveTypeEnum_unset };