Finwall / Flatwall Tanks for Transformers

Reliable Finwall / Flatwall Tanks for Enhanced Transformer Cooling and Structural Stability

At Star Freight & Trading FZC LLC, we supply Finwall (also known as Flatwall) tanks built to meet the rigorous demands of power and distribution transformer applications. These tanks play a crucial role in ensuring the mechanical integrity and thermal efficiency of transformers, especially under continuous load and varying environmental conditions.

What is a Finwall / Flatwall Tank?
A Finwall or Flatwall tank is the main structural enclosure of a transformer, fabricated with flat or corrugated panels (fins) that act as radiators to dissipate heat generated during operation. These tanks are designed to withstand high pressure, support internal components, and facilitate efficient oil circulation and cooling.

Key Features and Advantages:

• High-grade mild or stainless steel construction for durability and corrosion resistance

• Flat or corrugated wall designs to increase surface area for better heat dissipation

• Seamless integration with transformer core, windings, and accessories

• Leak-proof welding and advanced fabrication techniques for structural integrity

• Available in custom sizes and configurations to suit various transformer capacities

• Powder-coated or epoxy-painted surfaces for extended outdoor life

Applications:

• Power transformers for utility grids and substations

• Distribution transformers in industrial, commercial, and residential sectors

• Special-purpose transformers for renewable energy systems and oil & gas operations

Our Finwall tanks are engineered to provide excellent thermal performance, mechanical strength, and protection against external elements, thereby extending the operational life of the transformer and reducing maintenance frequency.

At Star Freight & Trading FZC LLC, we partner with reputable manufacturers to ensure compliance with international standards such as IEC and ANSI. Our team is committed to delivering customized tank solutions backed by technical support and quality assurance.

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Frequently Ask Questions

Q. What is the tank used in transformer?

A. The tank in a transformer is a protective enclosure that houses the core, windings, and insulating oil, providing structural support and heat dissipation while shielding internal components from environmental damage.

Q. What are the different types of tanks in transformers?

A. The main types of transformer tanks include welded sealed tanks, bolted flat-tank designs, corrugated wall tanks, and conservator-type tanks, each designed based on cooling method, size, and operational requirements.

Q. What is the function of tank in transformer?

A. The transformer’s tank functions as a containment unit for insulating oil and internal components, ensuring protection from physical impact, facilitating cooling, and providing electrical insulation and safety from external elements.

Q. What is the tank cover in a transformer?

A. The tank cover is the top part of the transformer tank that seals the unit, allows for maintenance access, and often supports accessories like bushings, breathers, pressure relief devices, and oil conservators.

Q. What materials are used in transformer tank?

A. Transformer tanks are typically made from mild steel or cold-rolled steel for durability and structural integrity, and they are coated with rust-proof or heat-resistant paint to withstand outdoor or industrial environments.

Q. What is a cover tank?

A. A cover tank generally refers to the detachable top or lid of a transformer tank, which allows access for inspection, maintenance, or installation of internal parts, and ensures a tight seal to prevent oil leakage and contamination.