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Category: Valves

  • Alicat isometrics drawing
    Avoiding jetting in mass flow controllers: the vena contracta

    Avoiding jetting in mass flow controllers: the vena contracta High flow mass flow controllers always need downstream valves and high flow meters can’t be plumbed with small process ports.    The reason for this is jetting. But what is jetting? What causes it? Why is it important for Alicat devices in particular and why is […]

  • Alicat isometrics drawing
    Valve sizing and tuning

    Valve sizing and tuning for optimal control Valve options Choosing the right valve size is critical to ensuring that your process can achieve full-scale flow under your range of expected process conditions. A properly sized valve will give your mass flow controller or pressure controller stable control throughout the entire flow range. Your instrument will […]