• Address: V. Tonale e Mendola, 178 Endine Gaiano (BG)

  • Call Us: +39 035 82.74.53

Rubber Seals since 40 years

The Company

  • We, the Bertoletti Valerio s.r.l.

    Established in 1979, Bertoletti Valerio s.r.l. produces highly specialized rubber gaskets. With our huge experience gained in over 40 years of activity, we are able to satisfy even the most complex needs of manufacturing companies. Bertoletti Valerio s.r.l. supplies its gaskets to primary industrial companies in the mechanical, automotive, textile machinery, agricultural, wine, dairy, plant engineering and other sectors.

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Certified Quality

UNI EN ISO 9001:2015 certification

  • Intertek - Accredia

    Our company was certified for Quality Management in 2003, with the UNI EN ISO 9001:2008 certification. In 2020 we obtained the UNI EN ISO 9001:2015 certification for "Manufacture of technical articles molded in rubber", Registration Number 1115749-00

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Open Certificate

Our Plus

Why choose Us

  • We stand by the customer

    Always operating in close collaboration with customers, Bertoletti Valerio s.r.l. has earned the role of competent and reliable partner of the best manufacturing industries, creating industrial rubber gaskets with high technological content and assisting customers with its know-how from the mold design phase, through the selection of compounds and up to production with the most sophisticated technologies.

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Productive unit


  • Headquarters

    Our production plant is located between the provinces of Brescia and Bergamo, covering an area of 1200 m2. of which 800 are used for production lines, which are divided into the Technical, Molding, Quality Control, Assembly and Packaging Departments. Production is entrusted to highly specialized and qualified personnel, who are constantly trained and updated. Our machine park is made up of latest generation vertical injection and compression presses, whose tonnage ranges from 80 to 270 tons.

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Call us, contact us by e-mail or by filling out the form on the "Contacts" page. Our sales office and technical office are at your disposal to welcome and evaluate your requests for custom-made rubber seals.

Bertoletti Valerio s.r.l.

Via Tonale e Mendola 178

24060 Endine Gaiano (BG)

+39 035 82.74.53