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Home
About Us
Company Profile
Certification
Factory Tour
Products
Transformer Tank Covers
Boiler Covers
Transformer Tanks
Corrugated Transformer Tanks (6/10/35kV) Power Transformer Tanks (10/35/69kV) Main Transformer Tanks (110-220kV)
Transformer Radiators
Corrugated Walls Transformer Radiator Panels
Transformer Conservator Tank
Vertical External Oil Type Corrugated Conservator Tank Internal Oil Type Corrugated Transformer Conservator Tank (BP1 Series) Horizontal External Oil Corrugated Transformer Conservator Tank (BP1 Series)
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oil-immersed Distribution Transformers
Power Transformers
New Energy Transformer
Customized Transformers
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ONAN vs ONAF Transformer Radiator: Cooling Capacity, Design and Selection Guide

Aug 20, 2026
Compare ONAN and ONAF transformer radiators, including cooling principles, radiator sizing, fan systems, heat dissipation, MVA ratings and selection criteria.
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How Many Radiator Panels Does a Transformer Need?A Practical Sizing Guide

Aug 20, 2026
Learn how to calculate the number of transformer radiator panels required based on heat loss, cooling mode, radiator dimensions, ambient temperature and temperature rise.
Read More >>

Transformer Radiator Pressure Test: IEC 60076-22-2, Procedure and Acceptance Criteria

Aug 20, 2026
Learn transformer radiator pressure test procedures, IEC 60076-22-2 requirements, test pressure, holding time, leakage criteria and inspection points for international procurement.
Read More >>

Transformer Radiator Leak Test: Manufacturing Process, Testing Methods and Leak Prevention

Aug 20, 2026
Learn how transformer radiator leak tests are performed and how manufacturers prevent leakage through material control, forming, welding, pressure testing and final inspection.
Read More >>

Carbon Steel vs Stainless Steel Transformer Radiator: Which Is Better?

Aug 20, 2026
Compare carbon steel and stainless steel transformer radiators by corrosion resistance, cost, welding, service environment, maintenance and service life. Learn which material is suitable for your transformer project.
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Carbon Steel vs Stainless Steel Transformer Radiator: Which One Should You Choose?

Aug 20, 2026
Compare carbon steel and stainless steel transformer radiators by corrosion resistance, cooling performance, cost, maintenance, material and applications.
Read More >>

Transformer Radiator Pressure and Leakage Test: Complete Quality Inspection Guide

Aug 20, 2026
Learn how transformer radiators are pressure and leakage tested. Covers welding inspection, hydrostatic testing, dimensions, coating, quality control and FAT.
Read More >>

Transformer Radiator Size Guide: Dimensions, Center Distance & Fins

Aug 20, 2026
Learn how to select transformer radiator size, including center distance, fin width, height, fin pitch, number of fins, connections and cooling area.
Read More >>

Transformer Radiator Heat Dissipation Calculation Guide

Aug 20, 2026
Learn how to calculate transformer radiator heat dissipation using transformer losses, oil temperature, ambient temperature, radiator area, ONAN/ONAF cooling and radiator quantity.
Read More >>

How to Select a Transformer Radiator? Complete Sizing Guide

Aug 20, 2026
how to select transformer radiator, transformer radiator selection, transformer radiator sizing, transformer radiator calculation
Read More >>
RADIASTAR backed by the Group's automotive sector and relying on automotive manufacturing processes, is an enterprise focusing on the R&D, production and export of products such as oil-immersed transformer tanks, radiators, prefabricated cabins, containers, energy storage cabins and integrated booster cabins for 10kV-110kV power transformers.
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