Logo Made in Germany METALEX Bangkok 2017


Booth number: AM 1707

About us

WEH is a leading manufacturer of quick connectors for filling applications and function, pressure and leak testing of components during production with more than 40 years of experience. The high-quality quick-release couplings from WEH are field-proven in the automotive, hydraulic, pneumatic, gas, breathing air, refrigerating and air conditioning industry and provide safe, reliable and pressure-tight connections in just seconds without tedious hand-tightening. The jaw locking mechanism designed by WEH significantly boosts efficiency during leak and pressure tests and filling of gaseous media thus saving time & costs.

WEH is certified according to ISO 9001 and to the European Pressure Equipment Directive (PED). As an internationally operating company, WEH is represented in over 40 countries worldwide.

Products and services

WEH® Quick Connectors for repeated connections to media lines without hand-tightening, wrenches, tapes.

The WEH® Quick Couplers connect in just seconds to a large variety of port configurations (internal / external thread, tubes, bores, beads, collars, barbs, swaged / flared tube ends etc.) and are the ideal tool for filling gaseous media and for function, pressure, vacuum and leak testing of components. They offer significant time and cost reductions and are field-proven in the hydraulic, pneumatic, automotive, gas, refrigerating & air conditioning industry. Customer-tailored solutions are offered even for small quantities. The product range is completed by check valves, filters, swivel joints, etc. All products are subjected to extensive pressure and durability tests and manufactured according to ISO 9001.

Automotive Leak-test connectors

Automotive Leak-test connectors

WEH® Quick Couplers allow for safe & easy pressure and leak testing during series production of automotive components. The high-quality couplings connect in seconds to threads, tubes, bores, beads, collars, flanges etc. – without tedious hand tightening simplifying testing and reducing connection time. The productivity is increased and testing of fuel lines, engines, steering & braking systems made easy.

Gas filling connectors

Gas filling connectors

WEH® Filling Connectors for gaseous media meet with the stringent requirements in terms of safety and leak tightness for industrial gas handling applications and are available for a large variety of gases and gas mixtures. Designed for different cylinder valve configurations - internal or external threads, Pin-Index systems, with or without residual pressure valve - they correspond to nearly all national cylinder standards (DIN, CGA, BS, NF, CEN).

Fluid connectors

Fluid connectors

WEH quick connectors for testing of hydraulic & pneumatic components are used especially for the fluid technology. Industries which need to connect and disconnect frequently for vacuum, pressure, leak and function testing save time using these connectors. The quick connectors are placed directly onto the test piece and achieve pressure-tight connections in seconds. For each type of connection (threads, tubes, bores, beads, etc ) WEH can offer a suitable testing or filling connector.

News & Innovations

Modular WEH® Connector for manual, semi or fully automaticpressure and function tests 

Pressure and function testing of components during production must be simple and time-effective. Making hand-threaded connections takes much longer and is quite cumbersome. The WEH® TW17 Quick Connector simplifies these processes thus increasing productivity. Within seconds components with i...| » Further reading 

Efficient Leak Testing of Pneumatic Components during Series Production 

The leak tightness of pneumatic components is one of the essential quality requirements of series production. The WEH® TW05 Quick Connector has been especially designed for the purpose of leak testing during the manufacturing process. With this connector pneumatic components with internal th...| » Further reading 

Testing large tube diameters in seconds 

Leak testing of straight tubes with a large tube diameter constitutes a particular challenge. Finding the right test connector ensuring a quick & easy leak-tight seal is not easy. For precisely this application, WEH has extended the current TW241 series range with more body sizes, which now...| » Further reading 


Josef-Henle-Str. 1
89257 Illertissen

Phone: +49 7303 9609-0
Fax: +49 7303 9609-9999

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