Green brazing in HVACR industry: Oweld pioneers in hydrogen

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Oweld oxy-hydrogen gas generator model 30000HD.

Oxyweld, with Oweld brand, was founded in Italy in 1981. With the years the company established itself as a successful manufacturer of eco-friendly oxy-hydrogen gas generators for brazing in refrigeration and air conditioning industry. Nowadays Oxyweld supports thousands of manufacturers to improve their internal brazing process. The Oweld oxy-hydrogen gas generator, also called water gas generator, converts distilled water into oxygen and hydrogen gas through the electrolysis process. Instead of using the old conventional gas cylinders, this green technology is a touch of good and green innovation in a conservative industry. Chillers, heat exchangers, condensers, refrigerators, freezers, A/C devices are installed almost in every building. The manufacturers need to ensure that all systems used in any products that may be installed at home or in a vehicle for example, are built to last and leak-free otherwise can face high costs in after sales.
Even if the HVACR systems are leak tested at the end of the manufacturing process, vibrations during the transport, the handling, or the vibrations during their normal activity, can have a bad impact on joints, with a consequent loss of refrigerant gas. Oweld technology, thanks to the perfect flame, comes in support helping operators in brazing correctly and improving the strength of the joints.
The system is specific for copper, aluminium, brass, steel pipe brazing. It can braze from small capillary up to big diameters.

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Oxyweld produces a wide range of gas generators with different capacities according to the customer needs. Oweld gas generators can be installed in small productions, for a flexible usage, or can be centralized in case of mass productions. Oxyweld can count big names in its customer portfolio and the specific experience acquired in more than 41 years guarantees excellent technical support.

Copper pipe brazing with Oweld oxy-hydrogen gas generator.

With more than 8000 installations, Oxyweld maintains a global presence in over than 75 countries with extensive local coverage through dealers and service centers strategically located in key manufacturing regions around the world.

Heat exchanger brazing with Oweld gas generator and double tip nozzle.

In recent years the company has invested heavily in research and development activities and the last release is the gas generator series specific for the Industry 4.0.
Oxyweld exhibited its products at 2022 Chillventa Show, in NĂĽrnberg, Germany, from October 11th to 13th.

Diego Andreetta, Oxyweld Sales Director.

«Chillventa is a strategic event for us to communicate with international customers and dealers – says Diego Andreetta, Oxyweld Sales Director –. It represents a focal point to showcase the latest international trends in the field of brazing and more than 41 years of innovation with our products. In this particular event we had a unit running which enabled us to do live demos and hold technical meeting to deliver an introduction to leaks reduction, pipe oxidation and how in concrete improve the strength of the joints in the HVACR industry».