WEH® FLUID TECHNOLOGY Components and Systems for high-pressure applications

YOUR RELIABLE PARTNER FOR INNOVATIVE HIGH-PRESSURE & CONNECTION TECHNOLOGY With outstanding technical expertise through German engineering, innovative system solutions and decades of experience, WEH is a global leader in high-pressure and connection technology. Our customized solutions and standard products ensure safe, fast, and efficient connections in the fields of connection technology, hydrogen and CNG technology, as well as high-pressure applications up to 10,000 bar / 150,000 psi. We develop, design, and manufacture fluid technology components and systems that have proven themselves internationally...

WE HAVE BEEN SETTING STANDARDS IN FLUID TECHNOLOGY FOR MORE THAN FIVE DECADES With bold ideas, pioneering products, and true engineering expertise, we develop and manufacture in strict accordance with recognized standards while actively contributing to the development of international standards ourselves. Highlights of our innovative strength Inventor of the jaw locking mechanism Back in the 1970s, we broke new ground with the development of the WEH® Jaw locking mechanism: as the world’s first manufacturer, we enabled connections within seconds without screwing – a key component of many of our...

When every second counts, WEH® Quick connectors are the right tool. Quick Connectors Whether for testing, filling, or evacuating – our connectors establish a secure, pressure-tight connection within seconds, completely without screwing or tools. Thanks to their robust design and the proven WEH® Jaw locking mechanism, the quick connectors are highly durable and available in numerous versions – for internal or external threads, smooth tubes, flared or beaded pipes, as well as common connection standards and thread types. Save time Tool-free connection within seconds – reducing testing times. Automatable...

High Pressure Solutions Reliable Systems & Components – Mastering Extreme Requirements Safely At pressures exceeding 1,000 bar, the demands on materials, sealing technology and safety increase significantly. WEH offers a modular system for high-pressure applications that stands out through durability, performance and versatility. Suitable for applications such as hydroforming, waterjet technology, isostatic presses and other high-pressure processes. Durable & resilient Stainless steel 1.4542 / 17-4 PH – approximately 50% stronger than standard materials. High flow performance Large nominal diameters...

Safe Supply, Refueling & Connection – Meeting the Highest Demands. Safe solutions. Whether at the fueling station, inside the vehicle, or on the trailer – hydrogen refueling requires maximum safety, leak-tightness and reliability. Different pressure levels (35 / 70 MPa), extreme temperatures, and high flow rates demand robust and precise components. WEH® offers a complete system – from receptacles and check valves to fueling nozzles and quick connector solutions. Certified, field-proven and developed for the hydrogen world of tomorrow. Maximum reliability Robust materials, sophisticated design,...

Reliable Components for Natural Gas Vehicles & Fueling Stations Worldwide CNG has proven itself internationally - yet the requirements remain demanding: different pressure levels (200 bar / 250 bar), international standards and varying operating conditions present challenges for operators and OEMs alike. For more than 40 years, WEH has been delivering field-proven solutions - from fueling nozzles, filters and breakaway couplings to receptacles and manifolds. Developed for maximum compatibility, fast filling times and the highest level of safety - in use worldwide. Developed in accordance with...

Clean Media – Safe Processes. Filter Technology Gaseous media often contain particles that can damage system components or compromise leak-tightness. WEH® filters reliably ensure clean systems – from the supply connection to the connection interface. Compact in design, durable in operation and maintenance-friendly in service. Available in various versions – for natural gas, hydrogen and technical gases. Effective protection Protects sensitive components and reduces downtime. Wide range of connection options Available for various thread types and installation positions. Compact design Minimal...

Reliable Backflow Prevention with Minimal Space Requirements. Valve Technology Whether for gases or liquids – wherever media must flow in only one direction, WEH® Check valves and screw-in valves are the ideal solution. Compact, durable and absolutely reliable, even under high pressures, with aggressive media or in confined installation spaces. Suitable for mechanical and plant engineering, pneumatics, hydraulics and process industries. Check Valves Maximum leak-tightness & safety Seal systems positioned outside the media flow protect against damage. Easy installation & integration Quick assembly...

Complex Gas Systems – Reliably Controlled. Whether oxygen, nitrogen, or CO2 – when handling, regulating or filling technical gases, maximum safety, media compatibility and durability are essential. WEH® fittings are proven worldwide in industrial, medical and laboratory applications – robustly designed, certified in manufacturing and engineered for long-lasting, low-maintenance operation. High operational safety Robust design and 100% final inspection for reliable processes. Compact & space-saving Sophisticated design for confined installation spaces. Media-clean & compatible Burnout-tested materials...

Play It Safe: Manufacturer Service from WEH By choosing a WEH® product, you have chosen quality and safety. Your satisfaction is our top priority - even after the purchase of our products. Our service team is your reliable and competent partner when it comes to maximizing the service life of our products. That’s What We Call Great Service! The quality of our products is a major advantage for our customers. Because WEH® products are not simply replaced - they are sent in for service. Your Benefits: • Our experts inspect, repair and maintain your equipment reliably, quickly and safely. • We comply...