We design and manufacture safety valves strictly certified in accordance with the most relevant international standards, ensuring protection, operational precision and safe performance in the most demanding industrial environments. Founded in 1976, Valnac (formerly Válvulas Nacional) was created to meet the needs of Spain’s emerging chemical and petrochemical industries.

All our products comply with European Directives PED 2014/68/EU and ATEX 2014/34/EU, and are designed and manufactured under a strict ISO 9001:2015 quality system.