FIELD: welding. SUBSTANCE: torch has hollow body 1, which accommodates member 8 for guiding electrode into zone of welding, and nozzle 3 embracing body 1. Body 1 is made narrowing to lower end face of torch. Tubular nozzle 3 is made of dielectric, whose coefficient of volumetric expansion is less than that of material of body 1. Nozzle envelops body 1 in upper part tightly and in lower part with radial clearance. Replacement of guide member 8 in torch is facilitated to maximum and is compatible with removal (installation) of body 1 from welding apparatus. EFFECT: simplified design; better conditions for servicing and operation. 3 cl, 3 dwg
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