Valve

Valve comprising a valve body and a cartridge element, the valve body having at least one seat configured to accommodate at least partially the cartridge, the cartridge comprising an external surface configured to support at least partially an actuation element, said cartridge containing at least one core configured to cooperate with a nozzle fluidly connected with said first fluid passage, said core being movable inside said cartridge against the action of an elastic element, between at least a first position in which it closes the first passage and a second position in which it allows a flow through the first passage so as to control the flow of a fluid through the valve, characterized in that it comprises quick coupling means for a valve support guide, said quick coupling means being made on an intermediate element interposed between the valve body and the guide, the intermediate element being fixed to the valve body, optionally snapped-on the valve body.