The welding torch has a burner head (1) provided with a handle (2). A conveying device (5) and a fan (6) are arranged in the handle. The fan is arranged to aspire ambient air as cooling air and to cool a cooling channel (7) that extends between an inner tube (8) and an insulating tube (17) provided in a burner neck (3). The cooling air is flowed in grooves of inner tube of burner neck. An independent claim is included for method for operating welding torch.
