Diâmetro Certifications

PRODUCTS CERTIFICATIONS

The rectangular duct and accessories are tested in accordance with the standard EN1507 – Tightness class C.
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The circular duct and accessories are tested in accordance with the standard NP EN12237 – Tightness class D.
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QUALITY CERTIFICATION

In addition to the certified quality of the products we manufacture, we are also undergoing the process of implementing standard EN ISO 9001.
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