Mac-Weld thermowells are used in demanding conditions of intense pressure and temperature, across a wide variety of industries. We know what it takes to design and build Thermowells that function as specified to every job, wherever in the world.

Our limited space thermowells are designed and manufactured 100% in house, and are made to client specifications and they accept standard or custom-made thermometers, thermocouples, bulbs and RTD’s.

Our limited space thermowells are also available in a wide variety of process thread sizes and configurations which include, but are not limited to, NPT, NPS, and BSPT.

For details on our limited space thermowells, please see our product sheet below.

  • Standard Threaded Thermowells available from stock
  • Custom Software for Thermowell Design Calculations
  • CRN Approved Thermowells

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

Mac-Weld 2023 Thermowell Catalogue

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

Our machining process includes ISO and LEAN principals, our CNC machines are always updated for maximum efficiency

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