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R- Stamp, U-Stamp, S-Stamp

R, U & S StampsCertifications to repair and fabricate pressure vessels, piping systems, and tanks are categorized as R, U & S Pressure Stamps.

For builder, welders, and fabricators it is important for them to be taught and certified in order to do get the job done right and done well. At MMI Tank and Industrial Services, our craftsmen are trained and certified to give you the best industrial services needed.

A few of the certifications include:

  • R-Stamp which is to repair pressure vessels, boilers, and other pressure-retaining items.
  • U-Stamp, to fabricate pressure vessels and tanks.
  • S-Stamp is to fabricate piping systems.

In order for us to do our job at MMI, we are R-Stamp, U-Stamp, and S-Stamp certified to ensure you get the best of the best when it comes to working on your pressure vessels and boilers.