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

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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.
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Backflow control of media

Our check valves reliably prevent the backflow of liquids and gases – for maximum process reliability.

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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.
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Your solution starts here: Our products & systems

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WEH<sup>®</sup> 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

To the Products

WEH<sup>®</sup> 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

To the Products

Any Questions? We’re Happy to Help.

Whether it’s product advice, technical questions, or custom solutions – our experts are happy to assist you personally.

Call us now

+49 7303 9609-703

Send an e-mail

industry@weh.com

Discover & Download

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Downloads

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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?

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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.