Effective filtration for technical gases
WEH® Gas Filters can be used for numerous technical gases such as oxygen, helium or argon. Thanks to their high filtration efficiency, they increase operational safety, reduce maintenance costs and extend the service life of your systems – whether in continuous operation or in highly sensitive applications.
Efficient protection
Removes particles from the gas flow and protects downstream components such as seals and valves
High-quality materials
Wear-resistant, corrosion-resistant, and designed for high pressures
Versatile application
Suitable for oxygen and inert gases – specially designed for gas mixing systems and filling stations
Easy Integration
Compact design, ideal for retrofitting or integration into existing systems
Maintenance-friendly & well-designed
Filter element removable without disassembly – for quick, easy service
System overview
WEH® Components for setting up
safe gas technology systems and installations
Shut-Off Valves
For filling, mixing & controlling in gas mixing systems – with manual or pneumatic actuation.
Pressure relief module
Protect vacuum pumps from overpressure – with internal or external venting.
Filter Gas
Filtration of oxygen, inert, or combustible gases – compact & low maintenance.
Check Valves for Gas
Quick Connectors
Accessories
Reliable & secure since 1983
As specialists in the gas sector, we have been developing safe and reliable components for renowned manufacturers worldwide for more than 40 years. Technical gases are used in virtually every industry and in many industrial processes. In addition to the production of other mixed gases, they are also used in medical technology, pharmaceuticals, chemicals, food technology and many other areas.
In order to produce or use high quality gases in a reliable manner, you need reliable and powerful process plant technology that also meets the highest economic demands. Over the years, the product range has been continuously expanded, so that today numerous components required for plants for mixing, evacuating, and filling gases are available.
Typical Applications at a Glance
Structure of gas technology plants & systems
Secure shut-off, filtration & backflow prevention – for reliable processes with inert and combustible gases.
Filling / evacuating technical gases
Whether CO₂, nitrogen, or specialty gas – with WEH® Filling Connectors, gas filling is safe, process-clean, and free from time-consuming screwing.
Filling / evacuating breathing air & oxygen
Testing of oxygen and breathing air cylinders
Discover & Download
Downloads
Catalogs
Get a quick overview of the entire range of WEH products - clear, compact and as a PDF for download.
Operating Instructions
All information on the safe commissioning and use of our products - including safety instructions and step-by-step instructions.
Certificates
Our products are tested and certified according to international standards. Here you will find all relevant quality and conformity certificates.
Why WEH?
Quality You Can Rely On
Our products are manufactured to the highest standards. At WEH, quality is no coincidence – it’s our standard, ensured by 100% final inspection and certified processes.
Service You Can Rely On
By choosing a WEH® product, you’ve chosen long-lasting quality. And our service ensures it stays that way. Whether maintenance, inspection, repair, or original spare parts – our experienced team is committed to maximum safety, efficiency, and preserving the value of your equipment.
Fast and Helpful Support
Questions about application, technology, or spare parts? Our technical support team is here for you – direct, competent, and without detours. Personally available and globally reliable.