Our threaded thermowells are designed and manufactured 100% in-house

American Thermowell manufactures threaded thermowells in a wide variety of process thread sizes and configurations which include, but are not limited to, NPT, NPS, and BSPT.
Our threaded thermowells are designed and manufactured 100% in-house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD’s.

  • Standard Threaded Thermowells available from stock
  • CRN approved thermowells available upon request
  • Available in various shank styles; stepped, straight and tapered
  • Standard or customized shank dimensions and styles
  • Custom software for Thermowell design calculations
  • Various NDT options
  • NACE compliant

American Thermowell is a pioneer and global leader in the manufacturing of thermowells, and have consistently offered the highest quality and precision in every piece that has left our plants. Whether made to order, or standard configurations, all our products meet or exceed accepted standards.

Material Options: 316 Stainless Steel, 304 Stainless Steel, Carbon Steel, 310 Stainless Steel, 321 Stainless Steel, 347 Stainless Steel, Alloy 20, C-276, Duplex, Incoloy 800, Inconel 600, Inconel 625, Inconel 825, Monel 400, and Titanium (More available upon request)

Industries: Chemical industry. Process technology. Apparatus construction.

Mac-Weld Thermowell Catalogue

American Thermowell 2023 Thermowell Catalogue

Our thermowells are available in a variety of styles, sizes and materials. See catalogue for details.

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