The spray nozzle has a ceramic pin including a flow channel with an opening (3) for fluid to be sprayed. A ceramic isolator (6) is arranged between a ceramic inner conductor (4) and a ceramic outer conductor of the pin. An end section of the outer conducto...

The arrangement is heatable and has an outer casing of non-conducting polymer material, an end opening in which a spray nozzle (3) is rotatably mounted and a heatable insert (4) of electrically conducting polymer in the outer casing. The heatable insert wa...