Certification
ASME U-stamp fabricators
Required to build coded pressure vessels. Non-negotiable when it applies.
1 shop states it holds ASME U-stamp in Iowa. Each entry below shows the sentence we read it from, on the shop's own website — we don't record a certification we can't quote. Confirm current status with the shop or the certifying body before you award work.
By state
“American Society of Mechanical Engineers (ASME) U-Stamp certification for miniature pressure vessels, safety valves, rupture discs”https://universaltank.com/asme-testing-certifications/
Also: National Board R-stamp1.5" max thickness
Need this work done?
Tell us what you need made and we'll put it in front of shops that hold the right certification — and welders qualified to the same code, if the job needs people on site as well as parts.
Describe your project →