2026 | Catalog | Connection solutions in general for pressure-tight connections in seconds to threads, tubes, beads, etc. L YEARS Quality & Safety WEH® - We Engineer Hightech

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Introduction WEH® Quick connectors for pressure and function testing, filling and plugging WEH is one of the leading manufacturers of quick connectors for pressure and function testing. For over 50 years, the unique jaw locking mechanism developed by WEH has represented a leap in the efficiency of leak testing. Extensive connection possibilities Female or male threads, straight tubes, beads, collars, swages/flares or bores: WEH offers a solution for almost every application where a connection is needed. A suitable testing connector is available for each type of connection. We offer customer-tailored...

Introduction Applications WEH® Quick connectors have become standard in the general industry worldwide. Where all supply lines had to be screwed on engine test benches, now the innovative WEH® Connectors enable pressure-tight connections in seconds. Increase your productivity using WEH® Connectors and benefit from the significant advantages: • Safe and pressure-tight connections • Reduction of connecting times  cost saving • Ease of operation • Operators‘ joints are protected from RSI Connection solutions for hydraulic, pneumatic and fluid applications include testing of pressure vessels, fluid...

Product overview Product overview WEH® Connectors for female threads WEH® Connectors for male threads WEH® Universal connectors for threads, tubes, beads, etc. Special connectors Fuel connectors Special solutions For reasons of precaution, we‘d like to point out that a) regarding the delivery of each article acc. to the respective order confirmation - in particular concerning ECE / EC79 articles - WEH does not confirm the fulfilment of additional requirements of the concerned end customer, b) WEH is not subject to any external reporting obligation with regard to external change management (see...

* The test piece profile must allow a firm grip! Automation is possible for many types. Please contact us! Please note the relevant information on page 84, Technical explanations. Normally we need the following information when ordering: 1. Part no. 5. Temperature range 2. Pressure range 6. Space requirement (interference contours, clearance, etc.) 3. Medium / leak rate 7. CAD drawing of customer test piece with tolerances 4. Description of application 8. Test piece

2 | WEH® Connectors for female threads • No hand tightening required • WEH® Jaw locking mechanism • Modified clamping jaws for increased flow • Ergonomic design • High-grade materials • Different actuations • Automation possible • Testing devices are eliminated The WEH® TW17 Quick connector is designed for sealing standardized female thread applications. The higher the test pressure the tighter the WEH® Connector will clamp itself into the thread of the test piece and provides a pressure-tight connection in seconds. The front o-ring reliably seals the connection and no additional clamping devices...

Manually by depressing the lever. Medium effort required. Pneumatically by pressing the valve head. Pneumatically for external manual, semi or fully automatic control systems

2 | WEH® Connectors for female threads Metric ISO thread to DIN 13 - acc. to DIN 3852 part 1, form X and Y * Lmin: minimum thread length Other connection sizes on request Metric ISO thread to DIN 13 - acc. to ISO 6149-1 Part no. * Lmin: minimum thread length Other connection sizes on request

Whitworth tube thread to DIN EN ISO 228-1 - acc. to DIN 3852 part 2, form X and Y * Lmin: minimum thread length Other connection sizes on request * Lmin: minimum thread length Other connection sizes on request

2 | WEH® Connectors for female threads * Lmin: minimum thread length Other connection sizes on request Other connection types on request. Required information for ordering see page 9. When ordering WEH® TW17 please indicate in addition to the details requested on page 7 the following information: Please insert within the part no. the letter corresponding to the desired type of actuation (H, V or P) in place of the position indicator (...) Please add LP = low pressure version (up to 50 bar) or HP = high pressure version (up to 350 bar) at the end of the part number.

The following accessories are available for the WEH® TW17 Quick connector: Screw plug for plug version If the WEH® Connector is to be used as a plug, the media inlet 'B1' can be sealed with a screw plug of brass with a PVC sealing ring for low pressure range or alternatively of stainless steel with an o-ring of NBR 70° Shore for high pressure range. It is recommended that the media compatibility of the seal be tested by the customer! High pressure SPECIAL SOLUTIONS

2 | WEH® Connectors for female threads Features • Connection in seconds • No hand tightening required • WEH® Jaw locking mechanism • High-grade materials The WEH® TW19 Quick connector is especially designed for sealing hydraulic components with female thread in high and low pressure applications. The clamping lever actuated connector safely grips into the test piece, even in case of high lateral forces, e.g. heavy or rigid hoses. The higher the test pressure the tighter the WEH® Connector will clamp itself into the thread of the test piece. The front o-ring reliably seals the connection and no...