Ball Valves are known which substantially comprise a valve body, wherein a seating has been provided for a ball having a diametrical cylindrical passage, the ball being rotatable between an open position and a closed or fluid intercepting position. However, conventional ball valves are obtained by machining cast pieces, or by machining stainless steel blocks. In either case, the machining processes require skilled labor and substantial time period. Additionally, such valves are of complex construction, heavy and involve a substantial waste of material due to unavoidable machine shop rejection.

Finally, cast pieces or pieces from blocks are of low quality material as having some porosity or number of impurities.

Accordingly, the object of the present invention is to provide a Ball Valves, substantially minimizing or possibly removing the above mentioned disadvantages as completely produced from metal plate stamping, thus avoiding or minimizing machining operations.

Another object of the present invention is to provide a ball valve, wherein the fluid contacting parts are of valuable material, such as a plate as compared with cast pieces, in that in addition to having higher chemical and physical features a plate retains such features also after stamping, thus rendering a valve suitable to intercept any fluids. A further object of the present invention is to provide a ball valve of stamped plate, the cost of which is substantially lower than that for valves provided by conventional methods, both for less use and waste of material, and for readiness in manufacturing and assembly of the valve.

According to the invention, a BALL VALVES of stamped plate comprises a hollow valve body having a fluid inlet and outlet, a cylindrical band inside said body containing a hollow ball with two diametrically opposite apertures, said ball being rotable according to an axis at right angles to the flow direction between an open position and a closed position; a ball control rod engaging by its lower end with said ball and, in turn, being pivoted in a collar projecting from said cylindrical band, seals being interposed between said ball, cylindrical band and housing.

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