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Introducing the Lightning Series: The Only Orbital Weld Head for Copper – Experience It this May in Texas
Critical Systems, Inc. (CSI) is thrilled to announce the official launch of the Lightning Series (LS) Weld Head—the first and only orbital welding equipment capable of welding copper using patented technology. For the first time in the industry, welders, engineers, and fabrication specialists have access to a solution that delivers clean, strong, and consistent copper welds with unmatched ease and safety.
And now, you can see it in action.
May 52 min read


UA Local 296 Apprentice Competition
Our local UA 296 recently had a SWJATC Apprentice Competition that featured brazing and welding. We were lucky enough to attend!
Apr 281 min read


Welcome To The CSI Arizona Shop!
The Arizona Orbital Welding shop is a recent addition to the CSI family. Come see who's there and what they can do!
Apr 212 min read


UA 393 Apprentice Contest
Critical Systems would like to highlight another of our community partners, UA Local 393, San Jose, CA. We would also like to wish the...
Apr 141 min read


CSI Copper Welding Showcase at the UA 2025 Pipe Trades Training & Technology Conference
CSI was invited to the 2025 Pipe Trades Conference in Dallas in February of this year to showcase our patented copper orbital welding!
Mar 311 min read


What Is Firewatch?
If you ask most people the question “what’s Firewatch” you will most likely be told that it’s a beautifully crafted adventure video game...
Apr 28, 20243 min read
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