EntityQ1816388· pop 20· linked from 435 articlescontrol valvesSign in to savedevice used to regulate fluid flowConnectionsfittingEntityRadiant heating and cooling systemsEntitystandard temperature and pressureEntitycompressorEntityfluid dynamicsEntityheating, ventilation, and air conditioningEntitybuilding automationEntityductEntityheat recovery ventilationEntityelectricityEntitytemperatureEntitythermodynamicsEntityliquidEntitywater wellEntitypressureEntitymechanical engineeringEntitydrinking waterEntitywashing machineEntityhumidityEntitymechanical fanEntityCategoriesControl devicesValves