• Mac-Weld - Leader in Thermowells

    If you are looking for high quality, precision Thermowell products, your search comes to an end with Mac-Weld, a pioneer and global leader in the manufacturing of superior thermowells.
  • Level Chambers

    Mac-Weld offers a complete range of high quality Level Chambers for external installation on process vessels and for radar level measurement.
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Latest News


NEW Robotic Welding

Mac-Weld introduces new robotic welding cells in the production of stainless steel thermowells.

  • Improved Efficiencies
    Improved efficiencies means increased capacities to adapt to large orders.
  • Pre-Programmed Positioning
    Motoman controllers and custom fixturing allow us to achieve higher output while maintaining world class quality.
  • State of the art Equipment
  • Improved Efficiencies
  • Increased Capacity
  • Pre-Programmed Positioning
  • Improved Consistency
  • World Class Quality

30+ Years in Business


Pioneer and Global Leader

Our thermowells and other product lines are used world wide and find themselves in environments with intense pressure and high temperatures, making it extremely important that the correctly specified code materials are used and manufactured using processes and procedures to ensure these products are all to the highest standards of quality.

More Information



Mac-Weld Product Quick View

  • New V-MAC Calc System +

    New Thermowell Velocity Design software that's easy to use and ensures you meet the new CODE ASME PTC 19.3 TW Read More
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