Equipment operators and maintenance personnel looking for valve-sizing help can find assistance on, the website for Jefferson Solenoid Valves USA Inc., Miami. Click on "Valve Sizing" in the top menu bar to reach the following selection of interactive sizing calculators:
  • Liquids flow calculation, English system.
  • Liquids flow calculation, metric system.
  • Gases flow calculation, English system.
  • Gases flow calculation, metric system.
Once on the calculator, fill in the variables for your system. As one example, with the liquid flow calculator, English system, the user will input the pressure drop and specific gravity, which will then calculate the flow in gallons per minute.