Single or multi-part insulating component for a plasma torch, particularly a plasma cutting torch, and assemblies and plasma torches having the same

A plasma torch including:

• a nozzle;
• a nozzle protective cap;
• a primary plasma gas conveying part;
• a secondary plasma gas conveying part separate from the primary plasma gas conveying part and arranged between the nozzle and the nozzle protective cap, the secondary plasma gas conveying part comprising:
• a first part and a second part;
• and
• an inner face adjacent a cavity located in the secondary plasma gas conveying part;
• wherein at least a portion of the first part and at least a portion of the second part are arranged concentrically to one another;
• wherein the plasma gas conveying part additionally includes a third part;
• wherein the first part is arranged between the second part and the third part;
• wherein the third part has the same thermal and electrical properties as the second part;
• wherein at least a portion of the first part and at least a portion of the third part are arranged concentrically to one another;
• and
• wherein at least a portion of the second part and at least a portion of the third part are arranged concentrically to one another.