Diameter range: DN15 to 300 (1/2 to 12")
Measuring range:
Liquid: 0.2 to 2100 m3/h (0.15 to 1520 ft3/min)
Steam, gas: 1.5 to 28000 m3/h (0.9 to 16600 ft3/min)
Max process pressure: PN100, Class 600, 20K
link:https://www.xy-instrument.com/flow-measurement/vortex-flowmeter.html