Phone number: +39016531858

Discover our PL10 in action

In 1947, Luigi Prando opened his small workshop for the repair of bicycles and motor bikes.

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- Company​​

- Machinery

- Services

- Dumper

- Pipe layers

Access the area reserved for dealers.

© 2017 Operval Srl - Via Carlo Alberto dalla Chiesa, 17 -11100, Aosta - P.I. e C. F. 01088500077


PANOLIN is a full range lubricants supplier with an experience of 35 years in producing high performing environmentally considerate lubricants.


Per la seconda volta la Operval porta il Dumper PL10 in Germania

Fiera BAUMA 

Created in 2010, at present with about fifty members, Unacea is the Italian trade association of construction equipment


Diverse generazioni al lavoro

70 anni con la Operval


Maggio 2019

To reduce our ecological impact we decided to use exclusively environmentally considerate lubricants from PANOLIN.

8-14 Aprile  2019

The biggest international trade fair for the construction industry in the world with over 3200 exhibitors and more than 580,000 trade visitors.

Febbraio 2019

Operval entra in  Unacea

30-31 Gennaio 2019

Every year, craftsmen from Valle d’Aosta display their works along the streets of Aosta, Operval never misses the chance to participate with our Dumper  PL10.

Marzo 2017

Operval celebrates 70 years of activity.

Two generations later our passion for earth moving equipment hasn't changed.

22-25 Febbraio 2017

SaMoTer: the most important Italian fair dedicated to earth moving equipment and building machinery