Standard Threaded Barstock Thermowell
Temperature / Thermowells / TW101 TW102 TW103

Standard Threaded Barstock Thermowell Picture
  • Machined from solid barstock.
  • Stepped, Tapered and Straight stem profiles.
  • 1/2", 3/4" and 1" NPT connections are standard.
  • BPPP, BSPT and other standards available.
  • Standard bores for 6mm, .250 and .375 diameter probes.
  • CRN available on all models.

Barstock models are machined from one solid piece of Hexagon or Round Bar. They offer the highest pressure ratings and strength due to their one piece construction.

Threaded process for screwing into a female threaded process connection such as a threadolet, adaptor or directly to a tapped access port.

Stepped, Tapered and Straight stem profiles are available. Custom dimensions can be supplied on request.

Click on the pictures to view details

Stepped thermowells are the most popular, they have a thick robust main stem section with the last 2.5 inches of the stem having a diameter of .50
TW101 - Threaded Stepped Barstock

Stepped thermowells are the most popular, they have a thick robust main stem section with the last 2.5 inches of the stem having a diameter of .50" to reduce thermal lag offer better time response.

TW102 - Threaded Tapered Barstock

Tapered thermowells are the strongest mechanically. The stem starts off at a large diameter (the root or shank diameter) and tapers down to the tip diameter. This design has a higher natural frequency making them more appropriate for systems with extreme dynamic conditions such as process lines with media flowing at high velocity.

Tapered thermowells are the strongest mechanically. The stem starts off at a large diameter (the root or shank diameter) and tapers down to the tip diameter. This design has a higher natural frequency making them more appropriate for systems with extreme dynamic conditions such as process lines with media flowing at high velocity.
Straight stem thermowells are simular to stepped stem but the large diameter extends to the Tip. Time responce is slower with this style. The heavy wall on the entire length of the stem gives them longer service life in conditions where erosion and/or corrosion may attack the stem. They are also well suited for the uniform application of protective coatings.
TW103 - Threaded Straight Barstock

Straight stem thermowells are simular to stepped stem but the large diameter extends to the Tip. Time responce is slower with this style. The heavy wall on the entire length of the stem gives them longer service life in conditions where erosion and/or corrosion may attack the stem. They are also well suited for the uniform application of protective coatings.



  • Model Number

  • 1
    Fixed Code
    0 : Fixed Code
  • 2
    Bore Size / Stem

  • 3
    Thermowell Material

  • 4
    Insertion Length 'U'

  • 5
    Lag Extension Length 'T'

  • 6
    Process Connection Size

  • 7
    Instrument Connection

  • 8
    Surface Finish
    SF : 32u-in (0.8um) Ra max.
  • 9
    Options


  • Comments / Specifications

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