Importance

Loading Importance Indicators...

Abstract

A valve (1) for fluids, comprising a tubular body (2) having at least one inlet (4) and at least one outlet (5) and defining a conduit (3) for the passage of a fluid, Said valve comprises a hollow elastic element (6) housed in the tubular body (2) inside said passage conduit (3), said hollow elastic element (6) having at least one opening (6a) to allow the entry of a driving fluid able to set a determined pressure, so-called driving pressure, inside the elastic element (6), in order to change its volume between a minimum value and a maximum value corresponding respectively to an operative condition of minimum obstruction of a fluid passage section within said conduit (3) and an operative condition of maximum obstruction of said passage section.

First Claim