If you can find everything from A to Z in 9 letters. Then this is Westfalen.

Benefit from our gas know-how: also in your field of application!

Whether for the perfect weld seam, precise laboratory analysis or the appetising icing on the frozen cake: the use of our gases is versatile and almost unlimited. Westfalen offers you flexible and tailor-made solutions for every area of use and every application.

You want to find out more about our products and services for a specific field of application?
You are unsure which special gases are necessary or best suited for your purpose?
Are you looking for background knowledge on the standards, purities, qualities that are important for you?

You will find what you are looking for on these pages!
Sorted by fields of application, we give you an overview of our portfolio here and let you share in our know-how.

5 good reasons for gas supply with Westfalen.

100 years of experience with gases.

We have been in the gases business for 100 years. You can trust our experience and expertise!

Modern production, filling and warehousing.

We cooperate with reliable partners and invest extensively in our European locations for production, filling and warehousing.

Reliable quality.

Strict and regular controls guarantee the consistent quality of our products - also and especially for sensitive fields of application.

Powerful logistics.

You can rely on our digital ordering channels, our own fleet and our network of distribution partners and dealers!

Counselling on an equal footing.

As a medium-sized family business, good relationships are important to us. We advise personally, competently and at eye level.

All fields of application of our gases at a glance.

Gases are everywhere. They are used in modern production and process engineering, in medicine and in the laboratory. Depending on the area of application, they can be used to increase product qualities, open up new fields of application, optimise manufacturing processes and make them more efficient, economical and environmentally friendly. They take on control, protective and carrier functions, supply energy, have a reactive, reductive, oxidising or inerting, cryogenic or thermal effect. The requirements and challenges are correspondingly diverse.

Which field of application would you like to learn more about?

Energy supply.

Whether in the countryside or on an island, on construction sites or in industrial areas: Westfalengas (liquefied petroleum gas/LPG according to DIN 51622) is our energy for always and everywhere. LPG is used for heating, as process energy or as propellant for forklifts - cost-effective, flexible and environmentally friendly.

Discovering the application field of energy supply

Industry and commerce.

Do you have questions about our portfolio of industrial gases? Are you looking for background knowledge on the use of welding gases, cutting gases and laser gases? You can read about it here! Information on propane as a fuel gas and propellant gas is also available for you.

Discover application field industry & commerce

Refrigeration and air-conditioning.

The refrigeration and air conditioning industry is in a state of upheaval: refrigerants that are harmful to the climate are disappearing from the market, and more environmentally friendly alternatives are gaining in importance. We explain the effects of the F-Gas Regulation and provide support with case studies and practical technical information about our refrigerants and heat transfer fluids.

Discover application field of refrigeration and air conditioning

Food gases for the food and beverage industry.

Our Protadur® brand food gases ensure longer shelf life, smooth production processes or a more appetising appearance. We market gases for accelerating ripening - for tomatoes and bananas, for example - under the Protapianta® brand.

Specialty gases for laboratory and analytical applications as well as pharmaceutical gases.

Pharmaceutical gases of our Secudur® brand can be used for the production and packaging of medicines. Laboratories, research and science use our specialty gases - our specialty gas centre in Hörstel, Westphalia, is accredited as a calibration laboratory.

Discover application field Laboratory & Pharma

Health and respiratory home therapy.

Our medical gases for diagnosis and therapy meet the highest demands in clinics and practices. For respiratory home therapy, we offer patients innovative device technologies and services for oxygen, sleep and ventilation therapy as well as secretion management.

Application field health & respiratory home therapy

You already know which product you need?

You can find a complete overview of our gases and product brands under "Products". Here you can also find out which gases you can buy or order where.

You still have questions?

Get in touch - our experts will be happy to support you!

Go to the product overview