Compact. Multifunctional. Powerful.
As part of WEH® Components for Gas, the Shut-Off Valves are ideal for automated test stands, mixing systems, or filling systems. They reduce the number of components needed in plant construction and enable reliable operation with minimal space requirements.
Multifunctional design
One solution for many processes – filling, evacuating, controlling, or mixing all in a single valve.
Cost-saving & installation-friendly
Reduces valve requirements, lowers investment costs, and accelerates plant construction
Compact & lightweight
Lightweight at only approx. 4.2 kg (approx. 8.3 kg with actuator) – perfect for tight installation conditions.
Automatable
Optionally available with pneumatic actuator for precise remote control
High efficiency & flow capacity
Optimized flow design with simultaneously low flow noise levels.
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
Filter Gas
Filtration of oxygen, inert, or combustible gases – compact & low maintenance.
Check Valves for Gas
Quick Connectors
For safely filling, testing, and evacuating gas cylinders – pressure-tight connection in seconds.
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
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
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.