... repeatability. 2. Uniform rotator, small vibration, long work life Helical rotor flowmeterDiameter: DN25-DN350Typical Applications: Lubricating Oil, Epoxies, Fuels, storage ... in be high viscosity liquid.Simple instruction, small sizes, light weight, don’t need install straight pipe section in front ... Viscosity Fluids•Epoxies•Polyurethane•Fuels•Solvents•Chemicals•Additives Helical rotor flow meter