Transformer Finned Radiators are critical cooling components designed to improve heat dissipation efficiency in oil-immersed power transformers. As a professional transformer radiator manufacturer, we provide high-quality customized radiator solutions engineered for distribution transformers, power transformers, and special transformer cooling applications.
Our transformer finned radiators are manufactured using advanced production technology, strict quality control processes, and premium steel materials to ensure excellent thermal performance, mechanical strength, corrosion resistance, and long service life.
With extensive manufacturing experience, we support global transformer manufacturers, EPC contractors, power utilities, and electrical equipment distributors with OEM and customized transformer radiator solutions.
Whether you require standard transformer radiators or fully customized cooling systems, our engineering team can provide reliable products designed according to your transformer specifications.
Transformer cooling performance directly affects transformer efficiency, reliability, and operating life. Poor heat dissipation can lead to excessive temperature rise, insulation aging, and reduced equipment lifespan.
Our Transformer Finned Radiators are designed to provide:
| Advantage | Description |
|---|---|
| High Heat Dissipation Efficiency | Optimized fin structure increases cooling surface area and improves oil circulation |
| Customized Manufacturing | Radiator dimensions, connections, materials, and configurations can be customized |
| Strong Mechanical Performance | High-quality steel plates ensure pressure resistance and durability |
| Leak-Free Performance | Advanced welding technology guarantees reliable sealing |
| Long Service Life | Anti-corrosion treatment provides excellent environmental resistance |
| OEM Capability | Professional production according to customer drawings and transformer requirements |
As an experienced manufacturer, we understand that every transformer project has different cooling requirements.
Our transformer radiator production supports:
We provide complete radiator manufacturing solutions from engineering design, material preparation, welding, surface treatment, testing, and final inspection.
Our goal is to help transformer manufacturers reduce procurement costs while improving product reliability and project efficiency.
A transformer finned radiator mainly consists of:
The header pipe connects the radiator with the transformer tank and ensures smooth transformer oil circulation.
Key features:
Cooling fins are the main heat dissipation area of the radiator.
Our fin design provides:
Professional welding technology ensures:
Surface treatment options include:
| Item | Technical Specification |
|---|---|
| Product Name | Transformer Finned Radiators |
| Application | Oil Immersed Power Transformer / Distribution Transformer |
| Cooling Type | ONAN / ONAF / OFAF |
| Transformer Capacity Range | 50 kVA – 500 MVA (Customized according to transformer design) |
| Material | High Quality Carbon Steel Plate |
| Steel Thickness | 1.0 mm – 1.5 mm (Customized) |
| Radiator Type | Panel Type / Finned Type / Removable Radiator |
| Working Medium | Transformer Insulating Oil |
| Operating Pressure | 50 kPa – 100 kPa (Customized) |
| Test Pressure | According to transformer design requirements |
| Fin Height | 300 mm – 2000 mm (Customized) |
| Fin Width | 300 mm – 1200 mm (Customized) |
| Number of Cooling Panels | Customized |
| Oil Flow Method | Natural Circulation / Forced Circulation |
| Connection Type | Flange Connection / Pipe Connection |
| Flange Standard | DIN / ANSI / Customized |
| Surface Treatment | Shot Blasting + Anti-Corrosion Coating |
| Painting Thickness | Customized according to customer requirement |
| Protection Grade | Outdoor Weather Resistant |
| Installation Position | Transformer Tank Side Mounted |
| Leakage Test | 100% Pressure Leakage Test |
| Dimension Tolerance | According to manufacturing standard |
| Service Life | 20–30 Years (Depending on operating environment) |
| Certification | ISO Quality System / Customer Required Standard |
| Customization | OEM / ODM Available |
Transformer radiator models are usually identified according to:
Common models vary by manufacturer. Below are typical market specifications.
| Model | Height (mm) | Width (mm) | Cooling Area | Application |
|---|---|---|---|---|
| B3-300 | 300 | 500 | Standard | Small distribution transformer |
| B3-500 | 500 | 500 | Medium | 100–630 kVA transformer |
| B3-800 | 800 | 500 | Medium | Distribution transformer |
| B3-1000 | 1000 | 500 | High | Oil immersed transformer |
Features:
| Model | Height (mm) | Width (mm) | Application |
|---|---|---|---|
| B4-1200 | 1200 | 520 | Medium power transformer |
| B4-1500 | 1500 | 520 | Power transformer |
| B5-1600 | 1600 | 600 | Substation transformer |
| B5-2000 | 2000 | 600 | Large oil transformer |
Applications:
| Model | Structure | Application |
|---|---|---|
| R500 | Removable radiator | Distribution transformer |
| R800 | Removable radiator | Medium transformer |
| R1200 | Removable radiator | Power transformer |
| R1600 | Removable radiator | Large transformer |
Advantages:
| Model | Cooling Performance | Application |
|---|---|---|
| HR800 | High heat dissipation | Compact transformer |
| HR1200 | Enhanced cooling | Power distribution |
| HR1600 | High capacity cooling | Substation transformer |
| HR2000 | Heavy duty cooling | Large power transformer |
Features:
| Transformer Rating | Recommended Radiator Type |
|---|---|
| 50–315 kVA | Small panel radiator |
| 400–1600 kVA | Standard finned radiator |
| 2 MVA–10 MVA | Multiple panel radiator |
| 10 MVA–63 MVA | Large removable radiator |
| 63 MVA+ | Customized high capacity radiator |
| Parameter | Typical Range |
|---|---|
| Radiator Height | 500–2500 mm |
| Radiator Length | 300–1500 mm |
| Radiator Thickness | 100–300 mm |
| Cooling Panel Quantity | 4–30 panels |
| Oil Inlet Diameter | DN50–DN200 |
| Oil Outlet Diameter | DN50–DN200 |
| Component | Material |
|---|---|
| Radiator Panel | Q235 Carbon Steel |
| Header Pipe | Carbon Steel |
| Flange | Carbon Steel |
| Welding Material | Compatible Welding Wire |
| Surface Coating | Epoxy Primer + Finish Paint |
| Performance Item | Requirement |
|---|---|
| Heat Dissipation Efficiency | High thermal transfer performance |
| Oil Tightness | No leakage after pressure testing |
| Mechanical Strength | Resistant to operating pressure |
| Corrosion Resistance | Suitable for outdoor operation |
| Vibration Resistance | Suitable for transformer operation |
| Reliability | Continuous long-term operation |
Professional buyers usually focus on several critical factors before choosing a supplier.
The primary purpose of a transformer radiator is efficient heat removal.
Our radiator designs focus on:
Transformer radiators operate continuously under demanding conditions.
Quality control includes:
Oil leakage can seriously affect transformer safety.
We use:
to ensure every radiator meets reliable operation requirements.
For transformer manufacturers and EPC projects, delivery time is critical.
We provide:
Our technical team assists customers with:
Our production process follows strict quality standards.
Customer drawings and technical requirements are reviewed by engineers.
High-quality steel materials are selected according to application requirements.
Precision forming technology creates uniform radiator fins.
Professional welding ensures structural strength and leakage resistance.
Radiators receive corrosion protection treatment for long-term outdoor operation.
Each radiator undergoes inspection before shipment.
Testing includes:
Quality is essential for transformer cooling components.
Our quality management system focuses on:
Checking:
Monitoring:
Each radiator is tested to verify:
Before delivery:
Transformer radiators are widely used in:
Suitable for:
Applications include:
We provide complete OEM manufacturing services for transformer companies worldwide.
Our customization capability includes:
Provide:
Available options:
Support:
| Feature | Transformer Finned Radiators | Traditional Cooling Methods |
|---|---|---|
| Heat Dissipation | High efficiency | Limited |
| Installation | Easy integration | More complex |
| Maintenance | Low maintenance | Higher maintenance |
| Customization | Fully customizable | Limited |
| Service Life | Long-term operation | Depends on design |
Customers choose our products because we provide:
Dedicated transformer radiator production with engineering expertise.
Strict inspection ensures consistent performance.
Direct manufacturer supply reduces unnecessary costs.
Products are manufactured according to customer requirements.
Supporting international transformer projects with reliable logistics solutions.
Our technical specialists can help customers with:
Contact our engineering team for professional transformer radiator solutions.
A Transformer Finned Radiator is a cooling device installed on oil-immersed transformers to increase heat dissipation. It uses multiple fin elements to enlarge the cooling surface area and improve transformer oil circulation.
Transformer radiators transfer heat from transformer oil to the surrounding air through natural convection or forced cooling systems. The fin structure increases the heat exchange area, helping maintain safe operating temperatures.
Yes. Transformer Finned Radiators can be customized according to transformer capacity, dimensions, cooling requirements, connection design, and installation conditions.
Most transformer radiators are manufactured using high-quality carbon steel with corrosion-resistant surface treatment for long-term reliability.
Yes. We provide OEM and customized manufacturing services based on customer drawings, specifications, and project requirements.
Every radiator undergoes strict inspection including welding inspection, pressure testing, dimensional checking, and surface quality verification.
Choosing the right transformer radiator supplier ensures better transformer performance, reliability, and long-term operating safety.
As a professional Transformer Finned Radiators manufacturer, we provide:
✔ Factory-direct supply
✔ Custom engineering solutions
✔ OEM manufacturing
✔ Reliable quality control
✔ Competitive pricing
✔ Global project support
Contact us today for customized transformer radiator solutions and professional technical support.
