Mac-Weld tri-clamp thermowells are of heavy duty design to withstand the challenging environments they have to operate in.

Our tri-clamp (or sanitary) thermowells are designed and manufactured 100% in-house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD’s.

Designed for food processing or pharmaceutical production. Sanitary thermowells are typically used when contaminants could collect in exposed threads, such as pharmaceutical or food processing production. The polish and large radius between the stem and face help support easy cleaning.

For details on our Tri-Clamp Tapered, Tri-Clamp Straight and Tri-Clamp Stepped Thermowells, please see our product sheet below.

  • Available in various shank styles; stepped, straight and tapered.
  • Stamped with mil traceable material and heat number
  • Large selection of materials available
  • NACE compliant

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: Pharmaceutical, biotech, along with food and beverage industries.

Mac-Weld Thermowell Catalogue

Mac-Weld 2023 Thermowell Catalogue

Available in a variety of styles, sizes and materials, see our catalogue for more details.

We have been using Mac-Weld for over 20 years and find them a true team vendor with quality, a great supplier.

Mary J., OEM manufacturer of Instrumentation

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