Model TW.SW / TW20

Thermowells for temperature instruments

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Thermowells for temperature instruments are recommended for all process systems where pressure, velocity or viscous, abrasive and corrosive materials are present individually or in combination. A properly selected thermowell will protect the temperature instrument from possible damage resulting from these process variables.

Furthermore, a thermowell permits removal of the temperature instrument for replacement, repair or testing without effecting the process media or the system.


  • Process connections: ¾” & 1” nominal pipe size
  • Instrument connection: ½” NPSM Standard
  • Bore diameter: .260”, .385”
  • Materials: 304 SS, 316 SS, Carbon steel
    (Other materials available on application)
  • Surface finish: AISI 304 & AISI 316: 16-32 Ra

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