Threaded Thermowells

Mac-Weld 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
  • Custom software for Thermowell design calculations
  • CRN approved Thermowells
  • Various NDT options
  • NACE compliant

Mac-Weld 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.

For details on our Threaded Tapered, Threaded Stepped and Threaded Straight Thermowells, please see our Product Specification Sheet.

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