Valvulas NACIONAL, SA, was founded in Spain in 1976. The main objective of the company was to help the petrochemical and the chemical industry emerging in Spain at that time. From the outset, Valvulas NACIONAL, SA, has specialized in design and manufacture of relief valves in accordance with the most common international standards and norms: API, ASME, ASTM, and European directives 97/23 and 94/9 CE. The manufacturing process is accredited pursuant to ISO 9001-2008.
Our know-how and ability to adapt to the constantly changing demands of the market made it possible to introduce new products intended for use in the market of solar thermal power plants. Valvulas NACIONAL fully equipped with relief valves more than 16 such plants around the world. Moreover, relief valves are continuously supplied to all major players in the Spanish petrochemical, chemical and petroleum industries.
To see a Letter on the Status of General Distributor (PDF, 512 Kb)