The overall goal is to offer our clients a complete and qualitative set of products and services for a broad kind of applications.
Regarding quality, environment, health and safety, in our HQ as well as all our branches we work according to the standards and norms of EU EN ISO  9001, EU EN ISO 14001 y OSHAS 18001.
In our efforts to provide proximity and transparency to our customers, we are a member in REPRO – the Achilles Community – that provides to organizations in the sectors of electricity, oil water and gas a single point of access, which is standardized, detailed and of high quality.
We, Calvo Sealing S.L., are official partner and authorized partner of W.L. Gore & Associates, Inc.  
We are suppliers of the United Nations (UNGM), adhering to its code of conduct based on the values of respect for fundamental human rights, social justice, human dignity and respect for the equal rights of men and women.


  • BAM: Federal agency for research and testing materials for the usage in oxygen facilities.
  • DIN-DVGW: German Association of gas and water. DIN-3535-6 test "Together for gas supply systems"
  • FDA: Food and Drug  Administration. Materials suitable for use in alimentary.
  • Ta-Luft: Technical standard for clean air, according to VDI 2440. VDI 2200 Leakage Test flanges.
  • WRAS: Water Regulations Advisory Scheme. British Standard BS 6920. Approval for drinking water applications by WRc-NSF.