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  • Users: swaneyg
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  1. swaneyg

    Vibratory vs Thermal stress relieve processes

    I have a large fabrication that I call out for thermal stress relieve. It is fabricated from W10 X 100 ASTM A572 grade 50 steel. It's approximate overall size is 14W X 14L X 6H and has several wear plate bosses machined on it after stress releive. One of the vendors has taken an exception to...
  2. swaneyg

    ??Electrolysis erosion of lineshaft deep well pump "iron" components

    HI, We have 9 deep well vertical turbine pumps near the local river that supply water to our process. Since the installation of pump #8 we've had reduced life of pump bowl components. At this time we also upgraded to VFD drive packages to reduce shock loading on pumps. We do not use VFD to...

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