Oxyhydrogen Welding for Transformers: A Clean, Efficient Solution

Okay Energy: Driving Innovation in Transformer Welding with Oxyhydrogen Generator Technology

2025-11-05

Over 19 Years of Expertise in Clean Flame Solutions for the Power Equipment Industry

For over 19 years, Okay Energy, the best China Oxy hydrogen generator supplier, based in Changsha, China, has been dedicated to the research and development of oxyhydrogen gas generators, providing a cleaner and more efficient flame solution for various brazing, welding, and heating applications. Okay Energy’s HHO (hydrogen + oxygen) generators are widely adopted across industries, particularly in transformer manufacturing, where precision and cleanliness are paramount.

In recent years, transformer producers have faced growing pressure to modernize their welding processes. Traditional gas welding methods, such as acetylene, propane, and LPG, not only have safety and environmental concerns, but also struggle to meet the increasing demands for higher weld quality, lower emissions, and cost-efficiency. Okay Energy’s oxhydrogen generators offer a compelling alternative.

Water Becomes HHO Gas Flame, Cleaner Flame, Better Welds

Okay Energy’s technology specializes in the electrolysis of water, which produces a 2:1 mixture of hydrogen and oxygen gas, it’s also called Brown’s gas or HHO gas, that is ignited to produce a clean-burning flame. The flame reaches temperatures of up to 3000°C. It is ideal for working with copper, aluminum, and other conductive metals used in transformer coils and busbar connections.

Unlike fossil-fuel-based flames, the oxyhydrogen flame leaves no carbon or chemical residue, ensuring cleaner joints and improved conductivity. This is especially beneficial in transformer production, where insulation performance must remain uncompromised.

Applications in Transformer Manufacturing

Okay Energy Oxygen Hydrogen Generator are widely used in:

Brazing copper and aluminum windings
Welding transformer terminals and lead wires
Soldering coil ends and magnetic core joints
Busbar and connector welding

These applications are critical in the production of distribution transformers, power transformers, and electrical reactors, where even minor welding defects can lead to performance loss or failure.

Oxy-hydrogen Gas Welding Advantages Over Traditional Gas Welding

Feature	Traditional Gas Welding	Oxy-hydrogen Gas Welding
Fuel	Acetylene /LPG	Water + electricity
Flame type	Radiating	Straight
Residue	Carbon soot	Clean, zero-carbon
Safety	High pressure gas cylinders	On-demand production, no storage
Operation cost	High (gas refills, logistics)	Low (water + power only)

Proven Technology, Global Reach

With CE, ISO9001, and FCC certifications, Okay Energy’s HHO generators are trusted by customers in over 60 countries, including Southeast Asia, Europe, and America. We offers a range of models, such as the OH3000, OH5500, OH7500, OH10000, OH15000 and OH20000. It tailored to various industrial needs and production capacities.
Except transformer welding, Okay Energy’s oxy-hydrogen gas flame solutions are applied in:

Automotive parts brazing
Glass tube vacuum sealing
Laboratory flame applications
Jewelry and metalwork soldering
Wax investment repairing

Sustainable and Forward-Looking

As the world transitions toward low-carbon manufacturing, oxy-hydrogen gas technology is gaining traction as a sustainable alternative to fossil-fuel-based heat sources. By combining renewable electricity with water, Okay Energy enables manufacturers to reduce their carbon footprint, improve workplace safety, and cut operational costs.

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