Tubular element for electromagnetic valves, adapted to be assembled to a valve body comprised in an electromagnetic valve, comprising: - a housing, adapted to internally receive a core and allow it to slide therein for switching said electromagnetic valve; - a connection portion adapted to be removably fixed to said valve body for assembling the tubular element to said valve body; wherein: - said housing has a body which is separate from and independent of said connection portion, which in turn has a body of its own; said body of the housing comprising: - a cylindrical portion having a closed distal end and an open proximal end; - a sealing portion adapted to act upon a diaphragm element comprised in the electromagnetic valve; said sealing portion being located at the open proximal end of the cylindrical portion; said body of the connection portion has an annular structure said body of said housing and said body of the connection portion, being adapted to be connected to each other, in a removable manner; said tubular element being characterized in that: - said sealing portion comprises connection means adapted to removably connect said body of the housing to the body of the connection portion; - on the inner edge of said annular structure of said body connection elements are comprised, which are adapted to cooperate with said connection means of the housing, interacting with each other, to obtain the removable connection and becoming an assembly. - a housing, adapted to internally receive a core and allow it to slide therein for switching said electromagnetic valve; - a connection portion adapted to be removably fixed to said valve body for assembling the tubular element to said valve body; - said housing has a body which is separate from and independent of said connection portion, which in turn has a body of its own; - a cylindrical portion having a closed distal end and an open proximal end; - a sealing portion adapted to act upon a diaphragm element comprised in the electromagnetic valve; said sealing portion being located at the open proximal end of the cylindrical portion; said body of the connection portion has an annular structure said body of said housing and said body of the connection portion, being adapted to be connected to each other, in a removable manner; said tubular element being characterized in that: - said sealing portion comprises connection means adapted to removably connect said body of the housing to the body of the connection portion; - on the inner edge of said annular structure of said body connection elements are comprised, which are adapted to cooperate with said connection means of the housing, interacting with each other, to obtain the removable connection and becoming an assembly. said body of the connection portion has an annular structure said body of said housing and said body of the connection portion, being adapted to be connected to each other, in a removable manner; said tubular element being characterized in that: - said sealing portion comprises connection means adapted to removably connect said body of the housing to the body of the connection portion; - on the inner edge of said annular structure of said body connection elements are comprised, which are adapted to cooperate with said connection means of the housing, interacting with each other, to obtain the removable connection and becoming an assembly. - said sealing portion comprises connection means adapted to removably connect said body of the housing to the body of the connection portion; - on the inner edge of said annular structure of said body connection elements are comprised, which are adapted to cooperate with said connection means of the housing, interacting with each other, to obtain the removable connection and becoming an assembly.