VALVE

摘要

Valve of the type having a body which is provided with an inlet and an outlet of a fluid which are reciprocally put in flow communication by means of a communication chamber in which said communication chamber can be occluded by means of closure means and in which the communication chamber is divided in a first chamber and a second chamber, each putting in flow communication the inlet and the outlet of the fluid according to a parallel configuration. The first chamber is provided with first closing means, the second chamber is provided with second closing means and there is further provided at least one third closing means.

主权项

1. Valve of the type comprising a body which is provided with an inlet of a fluid and an outlet of said fluid which are reciprocally put in flow communication by means of a communication chamber between said inlet and said outlet in which said communication chamber can be occluded by means of closure means of said flow communication which are operable by means of a control in which said communication chamber is divided in a first chamber and a second chamber, each of said first chamber and second chamber putting in flow communication said inlet and said outlet of said fluid according to a parallel configuration in which:
said first chamber is connected to said inlet by means of a first entry branch; said first chamber is connected to said outlet by means of a first exit branch; said second chamber is connected to said inlet by means of a second entry branch; said second chamber is connected to said outlet by means of a second exit branch; and further in which each of said first chamber and second chamber is provided with corresponding closure means of said flow communication, said first chamber being provided with first closing means of said flow communication which are operable by means of a control and said second chamber being provided with second closing means of said flow communication which are operable by means of a control, said valve being characterized in that it includes at least one third closing means which is operable by means of a control, said third closing means being intended to selectively close at least one branch between said first entry branch, first exit branch, second entry branch, second exit branch.