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Recent content by rajarathinam285

  1. rajarathinam285

    Double PWHT on CS Piping

    THE MATERIAL IS API 5L GR.B AND IT IS NOT IMPACT TESTED.THE SERVICE IS NORMAL FLUID(NO H2S/HYDRO CARBON SERVICE).THE PQR HAS BEEN QUALIFIED FOR SINGLE PWHT CYCLE.IF PWHT IS REPEATED WILL YIELD STRENGTH BE REDUCED?
  2. rajarathinam285

    Double PWHT on CS Piping

    WHETHER PWHT IS PERMITTED TO DO 2nd TIME IN CASE OF DEFECTIVE RECORDER/POWER FAILURE.
  3. rajarathinam285

    Ball valve seat

    The picture indicates cavitation caused by high pressure,turbulance and soft material.
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