... mediums, can measure liquid, gas and steam; Vortex flowmeterTechnical parameters Nominal aperture: DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 ... medium temperature: -40°C~280°C, -40°C~350°C;Nominal pressure: ≤1.6MPa ≤2.5MPa ≤4Mpa;Accuracy grade: liquid 0 ...