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  1. NavArcJim

    Load cells

    I'm looking for guidance on the acceptable scale range of a load cell or Dynamometer when used for load testing. for example for some torque wrenches, torquing is only accurate to values between 20% and 90% of the scale range. is there any guidance for load cells / dynamometers? Is there a...
  2. NavArcJim

    Pitting Corosion Data

    sure, open ocean water valve body - CUNI valve stem - NICU valve seat and stem seals- PTFE Thanks again for your help, I've seen some older threads that stated corrosion rates for pitting at 1 mil depth per three months does anyone know were that might have come from.
  3. NavArcJim

    Pitting Corosion Data

    Thanks for your input unclesyd, What do you think about imposing an operational requirment, like cycling the valve after system operation to release the seawater upstreem of the valve? Would that improve the situation much?
  4. NavArcJim

    Pitting Corosion Data

    I have a question/problem i hpoe someone out there can help with. Due two many breakdowns in comunication a 316 ball has been installed in a ball valve which is in a sea connected system where a Ti ball is specified.(seawater is not continuiously in the system but there is usually some amount...

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