Custom Mobile Transformer Tank And Radiator Assembly
Integrated Tank and Cooling Interfaces: The tank, detachable radiator banks, flanges, pipes and brackets are coordinated as one assembly, reducing interface mismatches and site rework.
Separate Leak Testing for Tank and Radiators: Tank sealing areas are inspected through air-tightness testing with a soapy-water method. Every radiator is tested at 150 kPa for 20 minutes.
product key technologies
Designed for Mobile Power Applications
Unlike a conventional stationary transformer, a mobile transformer may be lifted, transported and installed several times during its service life. The tank structure must therefore withstand transportation vibration, repeated handling and limited installation space without oil leakage or structural deformation.
Reinforced lifting points, mounting bases, radiator supports and connection interfaces can be customized to suit the customer's trailer or skid design.
Key Features
Compact custom structure: Tank dimensions and radiator arrangement are optimized according to the available trailer or skid space.
Reliable oil containment: Controlled welding procedures and 100% leak testing help reduce the risk of oil leakage during transportation and operation.
Efficient cooling: Multiple radiator banks provide a large heat-dissipation area for mobile transformer applications.
Flexible cooling configuration: Radiator quantity, panel size, header position and flange arrangement can be customized for ONAN or ONAF cooling layouts.
Transport-ready design: Reinforced lifting lugs, mounting feet, brackets and support structures improve stability during lifting and road transportation.
Easy maintenance: Detachable radiator banks and customized flange connections can be provided when required.
Corrosion protection: Sandblasting and C3–C5 coating systems are available for humid, coastal, desert and industrial environments.
Manufacturing and Quality Control
The mobile transformer tank is produced through a controlled manufacturing process:
- Drawing and technical specification review
- Steel plate cutting, forming and machining
- Robotic welding combined with skilled manual welding
- Dimensional inspection and trial assembly
- PT inspection uses red penetrant and white developer to reveal surface-breaking defects in welds with high visibility and precision.
- Radiator pressure and leakage testing
- Sandblasting and protective coating
- Final dimensional and visual inspection
Each visible weld and sealing area is checked carefully. For transformer radiators, a typical test can be performed at 150 kPa for 20 minutes, subject to the approved project specification.
Customization Options
| Item | Available Options |
|---|---|
| Tank dimensions | Manufactured according to customer drawings |
| Radiator type | Panel radiator, detachable radiator bank or customized design |
| Cooling method | ONAN or ONAF-compatible arrangement |
| Surface protection | C3, C4 or C5 anti-corrosion coating |
| Paint color | Customized RAL color |
| Connection interfaces | Customized flanges, pipes and mounting points |
| Testing standard | According to approved drawings and technical requirements |
Typical Applications
This mobile transformer tank and radiator assembly is suitable for:
Emergency grid restoration
Temporary substations
Planned transformer maintenance and replacement
Industrial and mining projects
Construction sites
Renewable energy projects
Data centers and critical infrastructure
Remote or disaster-affected areas
Production Lead Time
The typical production time is approximately 10-15 days after drawing approval. The final schedule depends on tank dimensions, radiator configuration, testing requirements and coating specifications.
Request a Quotation
Please send us your GA drawing, transformer capacity, voltage class, cooling method, coating requirement and required delivery date. Our engineering team will review the details and prepare a quotation for your mobile transformer tank and radiator assembly.
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