A pioneer and global leader in manufacturing thermowells
We ensure only the highest quality and precision in every thermowell we manufacture.
Whether they are custom-made for highly specialized measurements or they are standard configuration, each and every thermowell is built to meet or exceed accepted standards.
Mac-Weld offers a wide variety of various process connections and styles
Connection Types
Shank Styles
- Stepped Thermowells
- Straight Thermowells
- Tapered Thermowells
- Helical Thermowells
Precision | Quality | On-time Delivery
Our thermowells are designed and manufactured 100% in house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD’s. Mac-Weld flange thermowells are also available in a large variety of sizes and configurations that include, but are not limited to, raised face, flat face, and ring type joint.
- Mac-Weld thermowells accept standard or custom-made thermometers, thermocouples, bulbs and RTD’s
- All are manufactured in house, quality checked and tested to code before being shipped
- Mac-Weld custom software, V-MAC, utilized for thermowell wake calculations
- Large variety of standard and exotic materials available
- CRN approved thermowells
- Various NDT options
- NACE compliant
- Sanitary (Tri-Clamps) Thermowells available, 8-12 Micro inch R/A finish
Thermowell Quick Quote
Over 40 years experience manufacturing thermowells
Our Products
As one of the largest thermowell and instrument hardware manufacturers in North America, we have a wide selection of products available to help our clients with all their projects. See below for a list of available products and options. If you don’t see what you’re looking for? Not only do we offer what you see here, but we also have a large variety of custom products and services.
Call our office today at 1-877-622-9353 for specialty components, and let us help you get your project back on track.