Test on Thermowells

What are the different types of tests performed on thermowells used in temperature measurement?

Routine Tests ( In House)

  • Dimensions check
  • Thread check
  • Hydrotest internal and external for weld joints
  • Bore concentricity check using ultrasonic meter
  • Dye penetration check for weld joints
  • Chemical analysis traceability

Optional Tests( In House)

  • Helium leak test for weld joints
  • Full vaccum test
  • Positive material identification test
  • Hardness test
  • Instrument assembly compatibility for test thermowells

Optional Tests( Lab Certified)

  • Physical, micro structure
  • Radiography for bore concentricity
  • Radiography for weld joints
  • Post weld heat treatment
  • Ferrite no test
  • Test for cryogenic service
  • Ultrasonic test for weld joints
  • Intra granular corrosion test(Type: A, B, C, E, F)
  • Hydrogen induced cracking test
  • Sulfide stress corrosion cracking test
  • Magnetic particle test
  • Spark test for ptfe lining
  • Impact test
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