The rules and policies that govern the manufacture of rectangular and circular ducts are the following:
Rules SMACNA. (Sheet Metal and Air Conditioning Contractors National Association).
Portuguese standard for metallic ducts and accessories with circular section NP EN 1506 from 1999.
Portuguese standard for metallic pipes and accessories with rectangular section NP EN 1505 from 1999.
Norma Europeia – Requisitos de resistência e estanqueidade para condutas de secção retangular. EN 1507 de 2006.
European Standard - Resistance and tightness requirements for circular section pipes. EN 12237.
Minimum rating “B” with respect to tightness for ducts of rectangular and circular cross-section
V.S.E. manufactures its products according to the standards described above thus ensuring that all requirements are met. The company can, however, change these processes when this is a customer requirement.
All galvanized sheet purchased by V.S.E. it has a zinc load between 200gr/m2 to 275gr/m2.
When requested, the respective certificates of conformity and quality will be presented.
We are in the process of implementing the following systems:
Quality Management System that aims to fulfill the requirements according to NP EN ISO 9001: 2008;
Environmental Management System that aims to fulfill the requirements according to NP EN ISO 14001: 2005;