FIELD: welding. SUBSTANCE: device has electrode holder 1 made in the form of heating tube, casing 2 with axial opening 3. Heating tube evaporator encloses electrode 4. The most narrow middle portion 6 of the heating tube serves as steam and condensate supply line. The upper portion 7 of the heating tube works as its condenser. Evaporator 5 is filled with heat carrier. Nozzle is made in the form of circumferentially spaced system of through passages or as a ring-shaped passage connected with gas-distributing collector. Condenser 7 is ring-shaped member having funnel-like bases and through passages running in parallel with the torch axis for gas to pass through. EFFECT: improved operation conditions. 1 dwg
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