Serving the water, food, petroleum and chemical markets since 1916 as developers of standards & certification programs for quality, safety and reliability in the manufacture, installation and testing of steel tanks, piping and pressure vessels.
The members of STI/SPFA care about the environment. For that reason, our standards for steel petroleum storage tanks, pressure vessels and water tanks and piping, build upon existing regulations and codes and provide additional requirements for manufacturing, installation and testing. Select your market to find an STI/SPFA manufacturer or for more information on the relevant standards, educational programs, and other services available.
STI/SPFA has extensive information, including some specitications, press releases, publications, for field erected tanks and steel water tanks, shop fabricated atmospheric tanks, steel water pipe, and pressure vessels. Simply chose the technology of interest, as depicted in the above photographs, and click on the underlined link to access documentation.