05 Feb,2026
Blow Torch
blow torch，It is a handheld tool used in gas welding operations, named for its gun-shaped appearance and the nozzle at the front end [1]. Its core components include heating elements, nozzles, etc., and it can be divided into gas welding guns, electric welding guns, high-speed welding guns and automatic welding guns according to its structure [2]. The working principle is to use the high current of the welding machine to generate high temperature to melt the welding wire, and control the temperature through an air cooling or water cooling system. The water-cooled welding gun is equipped with a cooling water circulation system and a water pressure switch, and is suitable for high current scenarios of 500 amps and above.
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