1.flow meter 2.has good accuracy 3.long service life 4.Rotation stability <1>.Smith2011 ... of crude oil, asphalt, animals feed), the smooth dielectric measurements. <3>.Flow meter rotor songs are from the precision machining, ... other acid,alkali,salt,water,oil all types of liquid dielectric.Nominal Pressure(MPa) 1.6 ,2.5,4. ... 0,6.3,9.6 (for more pressure grades, please contact us ...