WEH® Gas Filter
Reliable filter for gas – sustainably protects your system
Effective filtration for technical gases
Whether during gas filling or in gas mixing systems, dirt particles in the medium jeopardize the safety and lifespan of your components. WEH® Gas Filters ensure reliable cleaning of the gas flow and provide long-lasting protection for valves, sensors, and other system parts against contamination.
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
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.
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
For breathing air and oxygen cylinders: WEH® Quick Connectors ensure fast, tight connections – completely tool-free, with maximum user protection.
Testing of oxygen and breathing air cylinders
Pressure and leak testing of gas cylinders often involves a great deal of time and effort. With WEH ® Test Connectors, all this can be done in a single step—without any screwing.
Discover & Download
Downloads
Catalogs
A quick overview of the entire WEH product range.
Operating Instructions
All information on the safe commissioning and use of our products.
Certificates
Our products are tested and certified according to international standards.
Why WEH?
Quality at WEH
Quality is standard at WEH thanks to 100% final inspection and certified processes.
Service
By choosing a WEH® product, you’ve chosen long-lasting quality.
Contact
Questions about application, technology, or spare parts? Our team is here for you

































