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InstruCalc 9.1 Request for Information

InstruCalc 9.1 calculates the size of control valves, flow elements and relief devices and calculates fluid properties, pipe pressure loss and liquid waterhammer flow.


This latest version comes packed with updated standards, ensuring you are always in compliance:

  • AGA8-1:2017 (Flow elements)
  • API 520-1, Tenth Edition:2020 (Relief valves)
  • ISO 5167-2:2022 (Flow elements)
  • ISO 5167-3:2020 (Flow elements)
  • ISO 5167-4:2022 (Flow elements)


To request for more information on InstruCalc 9.1, fill in the form below.