Industrial specialty gases and applications for foundries

Eighty years of industry experience

Praxair has the depth of experience needed to bring advanced industrial solutions to the foundry industry. From direct oxygen injection into the iron cupola to Laminar Barrier Inerting for induction furnaces, we can help improve your productivity and metal quality.

See how we serve related industries. 

Welding & Metal Fabrication

Related Gases

Oxygen Oxygen rollover Oxygen

Oxygen is used to increase productivity and reduce fuel consumption in rotary furnaces, ladle preheaters and cupola furnaces.

Nitrogen Nitrogen rollover Nitrogen

At the core of our heat-treating application, nitrogen is a non-flammable industrial gas used to rid oxidizing gases from your processes.

Hydrogen Hydrogen rollover Hydrogen

Hydrogen is used to prevent oxidation and is the key component in the heat treating process.


Cost effective and highly productive, our wide range of heat-treating industrial solutions can help you make precisely reproducible metals.

Our Laminar Barrier Inerting process excludes unwanted gases from the headspace of induction furnaces to increase yield and lower dissolved oxygen, nitrogen and hydrogen in your metal.

Our Dilute Oxygen Combustion application converts air-fuel burners into oxy-fuel for ladle preheating — reducing fuel consumption, emissions and maintenance.

Our supersonic direct oxygen injection process blasts pure oxygen into the iron cupola resulting in more efficient use of energy resources.


We offer more than industrial gases and applications to foundries. We will work with you to optimize your process. From consultation to implementation and use, we offer a range of services that help you manage your gas supply and make a better product.

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