Maestrini in the production cycles of Fittings – Nautical Accessories – Valves – Intake Strainers, makes use of the quality system ISO 9001 certified by Lloyd’s Register.

Brass fittings for gas and drinking water applications are DVGW certified. Details on articles and dimensions covered by the certification are available in the Products section.

VITTORIA seacocks, through-hull fittings and hosetails in bronze and in dezincification-resistant brass have Lloyd’s Register type approval certificate in accordance with UNI EN ISO 9093:2021.

Seawater strainers periodically verified by RINA for marine use, and bronze flanged filters have RINA MAC type approval certificate.

VITTORIA valves have a patented rotation reversal system for the lever; also patented is the coupling of the polymer ball with the operating shaft.

All the raw materials we use are certified and checked and come from primary Italian and German suppliers.

The whole production process is subject to very careful controls, the machines are periodically checked and adjusted according to a precise program of preventive maintenance.

The care for every piece is so extreme that the items obtained from casting are individually tested under pressure, piece by piece, and not statistically.