Which flow meter types are suitable for accurate dosing of bitumen emulsion in spraying systems?

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  • #1240
    Czeslaw
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    Which flow meter types are suitable for accurate dosing of bitumen emulsion in spraying systems?

    #1241
    Ronald
    Participant

    Common choices include electromagnetic flow meters for conductive aqueous emulsions, Coriolis meters where mass flow accuracy is needed, and positive displacement meters in smaller systems if viscosity range is controlled. Mag meters are popular because they have no moving parts and handle emulsions well, but installation needs good straight runs and proper grounding. Coriolis meters provide density and mass flow but cost more and require stable mounting. Any meter needs calibration against a known volume or weigh bridge, and the control system must compensate for temperature driven viscosity changes that affect pump slip.

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