Solutions for the Automotive Industry – WEH® Quick Connectors, Refueling Components & High-Pressure Technology
Discover how our products accelerate your testing processes, safely handle the highest pressures, and ensure efficient refueling of hydrogen and CNG vehicles – from road vehicles to industrial applications.
Common applications
Pressure and Leak Testing in the Automotive Industry
Fast, safe, reliable: With WEH® quick connectors, you can test lines, transmissions, steering systems, or electric batteries in seconds – completely without screwing.
Functional testing of engines
Refueling H2
Safe, intuitive, powerful: WEH® Hydrogen Components enable efficient hydrogen refueling at 35, 70, or 25 MPa – for fueling stations and vehicles of all classes.
Refueling CNG
Proven worldwide: With the NGV1 system co-developed by WEH, you rely on advanced CNG components offering maximum safety, durability, and ease of use – from passenger cars to heavy-duty trucks.
High-pressure testing
Extremely reliable under extreme pressure: high pressure components from WEH® ensure secure testing processes up to 10,000 bar – ideal for laboratories, industry, and mechanical engineering.
High-pressure hydraulic application
For stable connections under the highest loads: Components from WEH provide durable and secure solutions for high-pressure hydraulic systems in continuous industrial operation.
Filling of hydrogen tanks
Efficient, safe, fast: The WEH® Hydrogen Quick Connector simplifies the filling of hydrogen trailers – no screwing, no training required.
Your solution starts here: Our products & systems
WEH<sup>®</sup> Quick Connectors – Simple Connections for Testing & Filling
With WEH® Quick Connectors, you can create pressure-tight connections in seconds – completely without screwing. Ideal for testing and filling processes on pipes, threads, hoses, or fittings in series production, development, and maintenance.
✔ Easy handling
✔ High process reliability
✔ For media connections & test connections
Ultra High Pressure Solutions – safe. durable. versatile.
The components and systems from WEH® are designed for extreme demands up to 10,000 bar / 150,000 psi – featuring Cone & Thread connections and maximum leak-tightness even under the harshest conditions.
✔ High-quality materials
✔ High flow rates
✔ For hydraulics, isostatics & more
Hydrogen Refueling Components – Safe Hydrogen Refueling
For hydrogen fueling stations and vehicles, WEH® offers a comprehensive portfolio of components – from fueling nozzles and breakaway couplings to hoses and filters, as well as vehicle-side receptacles and check valves.
✔ Optimized flow performance
✔ Intuitive handling
✔ Certified safety at 25 / 35 / 70 MPa
CNG Refueling Components – Proven. Robust. In Use Worldwide.
WEH® is the developer of the globally established NGV1 standard – and today offers a broad portfolio of CNG refueling components: from fueling nozzles, breakaway couplings, hoses, and filters for fueling stations to receptacles and check valves for vehicles of all classes.
✔ Designed for daily use
✔ Highest safety standards
✔ Low maintenance & long-lasting
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.