Solutions for Medicine, Chemical & Pharmaceutical Industries –
WEH® Check Valves & Quick Connectors
Where purity, safety, and precision are top priorities, WEH is the trusted choice. Whether in chemical processes, pharmaceutical production lines, or medical gas supply systems – our components ensure controlled media flow, enable reliable testing procedures, and simplify the filling and evacuation of sensitive systems. Leading companies in the medicine, chemical, and pharmaceutical industries have relied on our high-performance check valves and quick connectors for years – ensuring smooth operations and maximum process reliability.
Common applications
Pressure and leak testing
With WEH® quick connectors, you can efficiently test medical, pharmaceutical, and chemical components for leak-tightness and functionality – quickly, safely, and without screwing.
Backflow control of media
Our check valves reliably prevent the backflow of liquids and gases – for maximum process reliability.
Filling / evacuating of medical oxygen
For clinics, emergency services, or homecare: WEH® connectors enable standard-compliant filling and emptying of medical oxygen cylinders – hygienic, fast, and completely leak-tight.
Your solution starts here: Our products & systems
WEH® Quick Connectors – Master Testing and Filling Processes Safely
Our quick connectors provide process-safe connections for leak, function, and pressure testing, as well as for filling sensitive systems – reliable, fast, and tool-free.
✔ Easy handling without screwing
✔ High leak-tightness for liquids & gases
✔ Suitable for test benches & series production
WEH® Valve Technology – Reliable Media Stop
In critical liquid and gas applications, WEH® Check Valves reliably protect processes against backflow. Our valves made of stainless steel or corrosion-resistant brass meet the highest standards for hygiene, material durability, and leak-tightness.
✔ Compact design & high leak-tightness
✔ Suitable for various media
✔ Tailored solutions for individual requirements
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