Browse transformer insulation products supplied through the authorized insulation manufacturer, together with complete dry-type and oil-immersed transformers coordinated through qualified project-specific manufacturing partners. Final ratings, materials, dimensions, tolerances, tests and acceptance criteria are confirmed for each quotation and order.
Boreviax supports both standard material supply and drawing-based transformer insulation components. Complete transformer projects are handled under a separate manufacturing-partner model.
Pressboard and paper materials, spacers, winding structures, insulation cylinders, lead-support components, wet-molded parts and fiberglass insulation materials.
Dry-type and oil-immersed transformer configurations selected according to voltage class, application, installation environment and project specifications.
Boreviax supplies high-efficiency dry-type transformers designed for applications requiring reduced electrical losses, reliable operation, and enhanced fire…
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Boreviax renewable energy dry-type transformers are developed for photovoltaic, wind power and energy-storage projects. They are commonly used to step up low…
View details →The SC(B) series cast resin dry-type transformer is a widely used indoor distribution transformer featuring vacuum-cast high-voltage windings and a robust oi…
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The SG(B) series is an open-wound, ventilated dry-type transformer designed for reliable indoor power distribution. Unlike cast-resin transformers, its windi…
View details →Boreviax Grade 2 energy-efficient dry-type transformers provide a balanced solution between initial equipment cost and long-term operating efficiency. Availa…
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The SC(B)H series combines a low-loss amorphous alloy core with cast-resin dry-type transformer technology. It is designed for applications where transformer…
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Boreviax supplies 35kV cast resin dry-type power transformers for medium-voltage power distribution and industrial applications requiring high fire safety, r…
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Boreviax supplies oil-immersed transformers designed for photovoltaic, wind power and other renewable energy projects. The transformer can be integrated with…
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The ZGS combined renewable energy transformer integrates the transformer active part, high-voltage load switch, protective fuses and monitoring accessories w…
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Boreviax supplies 220kV oil-immersed power transformers for high-voltage transmission, utility substations, power generation facilities and large industrial…
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The 110kV oil-immersed power transformer is designed for reliable voltage transformation and power distribution in utility, industrial and renewable-energy n…
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Boreviax supplies 35kV oil-immersed power transformers for medium-voltage substations, industrial distribution systems and renewable-energy grid-connection p…
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The Grade 1 energy-efficient oil-immersed transformer is designed for distribution systems where reduced electrical losses and long-term operating cost are i…
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The Grade 2 energy-efficient oil-immersed distribution transformer provides a practical balance between initial equipment investment and long-term energy per…
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The SH15 amorphous alloy transformer uses a low-loss amorphous-metal core to reduce no-load energy consumption in distribution systems where transformers rem…
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The S13 oil-immersed distribution transformer is developed as an improved low-loss alternative to earlier conventional distribution-transformer series.
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Laminated pressboard is produced from insulation pressboard and adhesive through hot pressing. It is selected when both dielectric perf…
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Corrugated pressboard is used as oil-gap insulation in small oil-immersed transformers. Its formed profile helps establish stable oil d…
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Diamond dotted insulation paper is made by coating modified epoxy resin onto electrical insulation paper in a diamond-dot pattern. Duri…
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Thin electrical insulating paper is made from 100% sulfate wood pulp through a refined manufacturing process. It is supplied in rolls f…
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Electrical insulating crepe paper is made from pure pulp and processed through a creping process. Its flexibility, elongation and oil-i…
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Insulation spacer blocks are used in transformer windings to form radial cooling oil ducts and provide inter-section insulation. They a…
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Insulation strips are installed inside transformer windings to provide support and form axial cooling oil ducts. Common profiles includ…
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Wedge-shaped spacer blocks are used at transition areas, incomplete turns and transposition areas of helical windings. They help level …
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Stepped spacers are used between transformer cores and structural components such as clamps, side beams, upper beams and support feet. …
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Chain-type oil duct spacers are used in transformer windings to support and form cooling oil channels. Their linked construction helps …
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Transformer end rings form part of the main insulation structure between windings and the core yoke. They support end coils, provide en…
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Laminated end rings are used at transformer winding ends for clamping, support, insulation and structural stabilization. They can also …
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Wound end rings are applied at both ends of transformer windings for support, clamping, insulation and structural stabilization. They a…
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Insulation clamping rings are used to clamp transformer coils and withstand mechanical forces. They are critical structural components …
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Electrostatic shielding rings are used at transformer winding ends to equalize electric-field distribution and reduce local field conce…
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Insulation cylinders are used in transformer windings to provide insulation, support and structural reinforcement. They help stabilize …
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Transformer lead clamps and supports are installed inside active parts to support, clamp and fix internal leads. They help maintain lea…
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Insulating U-channels are used in transformer indirect lead-out structures to provide insulation, separation, support and protection fo…
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Insulating protective covers are used to cover metal protrusions and other local structures inside transformers. They provide an insula…
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Wet-molded lead-out angle rings are used around transformer winding lead-out areas for end insulation, lead insulation and electric-fie…
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Wet-molded flange tubes are used at transformer winding lead-out areas to provide lead insulation, mechanical support and electric-fiel…
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Integral angle rings are installed at the upper and lower end edges of transformer windings for end insulation and electric-field contr…
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Lead-out insulation covers protect transformer winding lead-out systems. They provide insulation coverage and field-control support aro…
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Insulating bend tubes are used around grading tubes and grading spheres to provide insulation protection and support electric-field con…
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Insulated grading spheres are used for electric-field control and insulation protection in transformer lead-out and high-field areas. C…
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Assembled insulated grading spheres use multiple pressboard insulation layers with spacer blocks arranged between layers. The assembled…
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Epoxy fiberglass mesh cloth is used as an insulating and reinforcing material in cast-resin dry-type transformers, instrument transform…
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