A low-voltage, water-cooled conductive rod is purpose-built for furnace transformers that operate under low-voltage, high-current conditions where continuous heat buildup is an unavoidable part of normal operation.
- Cooling architecture: an internal water-cooling circuit runs through the core of the rod, rapidly carrying away heat generated during operation rather than relying on ambient air cooling alone.
- Temperature control: this active cooling keeps conductor temperature within a safe operating range even under sustained heavy current, preventing the thermal runaway risk that passive conductors face in furnace-duty applications.
- Sealing design: cooling channels are sealed to prevent water from leaking into the surrounding oil system, protecting the transformer's oil insulation from contamination during long-term service.
- Structural integrity: the rod body is engineered to maintain dimensional stability and mechanical strength while housing the internal cooling passage, so cooling capability does not come at the expense of current-carrying performance.
- Duty-cycle suitability: designed specifically for electric furnace transformers, which typically run continuously at high current for extended production campaigns and cannot tolerate frequent thermal shutdowns.
- Maintenance impact: stable thermal control directly affects equipment service life and process stability, reducing the wear associated with repeated thermal cycling in high-duty furnace operations.
Because furnace transformers are among the most thermally demanding transformer applications in industry, this water-cooled conductive rod gives operators the confidence to run continuous, high-current loads without the temperature excursions that shorten conductor and insulation life, supporting reliable long-term furnace operation.
Each rod undergoes pressure testing on its internal cooling circuit before leaving the factory, confirming there are no leak paths that could compromise the sealed cooling system once installed. Custom rod lengths and cooling channel configurations are available to match the specific thermal and current requirements of different furnace transformer designs, supporting both new equipment builds and replacement parts for existing installations. Detailed drawings covering rod dimensions, cooling channel layout, and connection points are provided with every order, supporting engineering review before the component is installed into a furnace transformer build.
Jiangsu Penglong Electric Engineering Co., Ltd. is a specialized manufacturer integrating R&D, design, and production of power transmission components, high-current conductor systems, and industrial electrical connection products.
With extensive industry experience, the company specializes in high-current conductive connections, copper-aluminum transition solutions, transformer components, and industrial furnace conductor systems. Supported by a complete manufacturing system and modern equipment, Penglong offers customized and large-scale production.
Its products are widely used in transformers, industrial furnaces, electrolysis equipment, switchgear, and power distribution systems. Main products include busbars, conductive rods, copper-aluminum connectors, terminals, flexible connectors, water-cooled cables, and other custom conductive components.