... electromagnetic flowmeter Specifications Nominal diameter range DN (mm) Pipeline PTFE lining: 10,15,20,25,32,40,50,65,80,100 ... ,125, 150,200,250,300,350,400.450,500,600 Pipe rubber lining: 40,50,65,80,100,125,150,200,300 ... Measured medium temperature: ordinary rubber lining: -20 ~ +60 °C high temperature rubber lining: -20 ~ +90 °C PTFE lining: -30 ~ +100 °C high temperature ...