... Nominal aperture: DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500; Applicability: gas ... °C; Field LCD display: -25°C—+55°C;Material of meter body: 1Cr18Ni9Ti (other materials supplied by agreement). Vortex flow ...