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Siemens SITRANS TS Thermowell protective tubes offer a multitude of designs, lengths, and materials, ensuring a precise fit for diverse applications. Standard tube lengths extend up to 1000 mm, while custom lengths can be configured with millimetre precision to meet specific requirements. With the option for separate delivery of pipes and sensors, construction and instrumentation can be conveniently divided, streamlining the engineering phase.



  • According to DIN 43772
  • According to ASME B40.9

Type of process connection:

  • Screwed design
  • For welding
  • With flange
  • Van-Stone connection


  • Straight
  • Reduced (staggered)
  • Tapered

The Siemens SITRANS TS Thermowell features;

  • Versatile – A wide range of lengths and materials is available
  • Comprehensive – Broad coverage of different applications
  • Customisable – Individualised options are possible to fit specific applications (insertion length, lag length)
  • High quality – High grade materials and optional certificates ensure reliability and stability of the measurements

Product Data Sheet – Siemens SITRANS TS Thermowell

Operation Manual – Siemens SITRANS TS Thermowell


Application Temperature Probe Thermowell
Process connections Flanges acc. to EN 1092-1 and ASME B16.5
Threads (G/R/M/NPT)
Standardised weld-in connections
Van-Stone connections
Instrument connections ½ inch NPT, M18x1,5, M20x1,5; G1/2 inch and others
Lengths Up to  1.000 mm
Operating conditions Dependent of configuration
Degree of Protection IP54-68 depending on the type of connection head and cable gland
Weight Dependent of configuration
Materials 316L, carbon steel, Hastelloy, Monel, and diverse other coatings possible
Explosion Protection NA
Approval Standards DIN 43772

ASME B40.9

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