Custom In-Line Pad-Mounted Transformer Tank
Key Advantages
One Coordinated In-Line Assembly
The HV compartment, oil tank and LV compartment are manufactured as one interface-controlled structure, reducing coordination between multiple suppliers.
Lower Assembly and Rework Risk
Bushing openings, cable entries, doors, mounting bases and cooling interfaces are positioned according to approved drawings for easier final assembly.
Reliable Outdoor Protection
Every tank undergoes 100% leak testing before coating, with C3–C5 coating options available for humid, coastal and industrial environments.
OEM/ODM manufacturing without internal electrical components | Production starts from 13 days, depending on drawings and quantity
product key introduction

Quality Control
Each transformer tank undergoes:
Material and dimensional inspection
Weld seam inspection
Flange and opening-position verification
100% leak testing
Coating thickness inspection
Door and accessory inspection
Final inspection before packing
Applications
The in-line pad-mounted transformer tank is suitable for:
Solar and wind power projects
Battery energy storage systems
Industrial parks
Residential communities
Commercial buildings
Data centers
EV charging stations
Mining and oilfield projects
Utility distribution networks
EPC and infrastructure projects

| Technical Item | Customization Information |
|---|---|
| Product Scope | Oil tank with HV and LV sheet-metal compartments |
| Layout | HV compartment–oil tank–LV compartment |
| Tank Dimensions | Customized |
| Steel Material and Thickness | According to approved drawings |
| HV/LV Openings | Customized bushing and cable interfaces |
| Cooling Configuration | Corrugated fins or detachable radiator connections |
| Mounting Base | Customized pad and fixing-hole dimensions |
| Door and Locking System | According to customer requirements |
| Leak Testing | 100% air-tightness testing before coating |
| Coating System | C3–C5 options |
| Paint Color | Customized RAL color |
| Production Time | From 13 days, depending on drawings and quantity |
| Electrical Components | Not included |
Why Choose ZHIHE Electric?
More than 15 years of transformer sheet-metal experience
Over 100,000 m² of production facilities
Annual production capacity exceeding 30,000 tons
Robotic welding and 100% leak testing
C3–C5 anti-corrosion solutions
Drawing-based OEM and ODM production
Experience serving international transformer manufacturers
Request a Quote
Send us your transformer tank drawings, voltage class, dimensions, cooling requirements, coating standard, quantity, and destination port. Our engineering team will review your requirements and provide a customized manufacturing proposal.
Contact Nantong ZHIHE Electric for your next pad-mounted transformer tank project.

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