<p>A plasma cutting torch comprises: a torch body (2); an electrode (3) mounted in the torch body (2); a nozzle (4) mounted on the proximal end of the torch body (2), surrounding the tip of the electrode (3) to form a chamber (8) where plasma is generated by feeding a first fluid (Fl) into it, and having a first central through hole (9) for the passage of the plasma; a nozzle support or holder (5) whose inside wall faces the outside wall of the nozzle (4) in such a way as to form a first chamber (10) through which a cooling fluid flows; a first unit (6) for covering and protecting the nozzle (4) and the nozzle holder (5); a channel (17), through which a second fluid (F2) flows towards the second hole (16); the torch also comprises a second chamber (18) for the passage of cooling liquid.</p>
