... High measuring accuracy, wide range; Extensive measured mediums, can measure liquid, gas and steam; Vortex flowmeterTechnical parameters Nominal aperture: DN15, DN20 ... natural gas, chemical gas and so on), liquid (water, high temperature water, oil, food liquid, chemical liquid and so on), steam (saturated steam ... .5 grade, gas, steam 1.0 grade;Range of flow rate: liquid: 0.6-6 m/s, gas: 5-60m/s, Steam ...