Check safely. Save time. Optimize processes.
Pressure and leak tests are a routine part of automotive development and production. Whether it’s hot testing on engines, cooling system checks, or battery testing in electric vehicles – any leak can have serious consequences. Test engineers, maintenance technicians, and developers face the challenge of creating leak-tight connections quickly and reliably – often under significant time pressure and in confined installation spaces.
Greater efficiency with WEH® Quick Connectors
WEH® Test Connectors create leak-tight connections in seconds – completely without the need for screwing. For threads, tubes, hose connections, and special fittings, we offer standardized or customized solutions that make test processes safer, faster, and more efficient.

Connect in seconds – no screwing required
Pressure-tight connections by simply pushing on – saving time and protecting joints.
For automated processes
Can be controlled via hand lever, valve button or external systems – perfect for series production.
Safe testing processes under high pressure
Designed for a wide range of pressure levels – from low pressure to several hundred bar.
Customizable to your component
Whether it’s a special tube end, complex geometry, or limited installation space – we deliver tailored solutions.

Automatable and durable
WEH® Connectors are designed for high cycle rates and continuous use – perfect for series testing.
These components are tested by professionals using WEH
From drivetrain to cooling – our quick connectors are used in nearly every area of the vehicle. The following components are among the most frequently tested in development, production, and service – demonstrating the versatility of WEH® Solutions.

- Fuel injection pumps
- Brake calipers
- Tanks
- Oil coolers
- Battery housings
- Electric drive units
- Aluminum box
- Cooling circuits / coolant lines
- Electric drive
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

































