WEH® Connector TW241 for external straight tube diameters , clamping lever actuation, vacuum up to max. 1,015 psi - Series

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  • WEH® TW241 | Tube coupling for pressure tests
    WEH® TW241 | Tube coupling for pressure tests
    The WEH® TW241 Quick release couplings provide optimum sealing on male copper tubing within seconds. Thus being the ideal tool for leak tests, pressure tests and vacuum tests of pipes.
  • WEH® TW241 | Function
    WEH® TW241 | Function
    The WEH® TW241 quick disconnect is very easy to operate. Only push the quick coupling onto the test piece until it stops and turn the lever through 90° to seal the test piece. Then test pressure can be applied and pressure testing up to 70 bar can proceed.
WEH® Connector TW241 for external straight tube diameters , clamping lever actuation, vacuum up to max. 1,015 psi - Series

The WEH® TW241 is the ideal tool for quick and easy leak testing at straight copper, steel or aluminium tubes with an male Ø of 6.0 mm to 22.2 mm. Further typical applications are underwater, pressure decay and helium tests.

The WEH® TW241 seals exterior tube diameters within seconds and bridges tube tolerances of up to ± 0.25 mm (required roundness of external tube diameter max. 0.25 mm) with no operational adjustment of seals.

The WEH® Jaw locking mechanism provides maximum grip with minimum distortion of the test piece. There is no need for additional fixing.

Operation is amazingly easy. Plug the WEH® Connector onto the test piece and actuate the clamping lever downwards or upwards to establish the pressure-tight connection. An internal pressure support provides for additional operator safety ensuring that disconnection is not possible until pressure has decreased to a safe value below 75 psi.

The WEH® TW241 is equipped with a chloroprene front seal. Other sealing materials on request. It is the customer‘s responsibility to clarify the media compatibility.

Technical Data
Max. allowable operating pressure PS Vacuum up to 1,015 psi (70 bar)
Temperature range +41 °F up to +176 °F
Max. allowable surface finish of test piece Rz8 μm
Max. allowable material hardness of test piece 28 HRC
Leak rate 1 x 10-3 mbar x l/s
Actuation Manual actuation via clamping lever
Material Clamping jaws: Corrosion-resistant stainless steel, hardened
Housing: Anodized aluminium
Sealing material Front seal of chloroprene
Conformity / Tests / Approvals Pressure equipment directive 2014/68/EC
  • For connection onto straight tubes, sealing on the exterior diameter
  • Self-retaining up to max. 1,015 psi (70 bar)
  • Connection in seconds - Just PUSH to connect
  • No tapes, no thread sealants, no hand tightening required
  • Unique WEH® Jaw Locking Mechanism
  • No seal adjustment required
  • Wide range of tube tolerances up to ± 0.25 mm
  • High-grade materials
Quick connect / disconnect TW241 for sealing on straight tubes and bores. Sealing on the external diameter Ø 6.0 mm up to 22.2 mm. Typical applications are pressure testing / vacuum testing / pressure decay testing / helium testing / underwater testing on components for HVAC-R industry / manufacturing industry / automotive industry:
  • Heat exchangers
  • Air conditioners
  • Heating systems
  • Pressure vessels
  • Valves
  • Transducers
  • Compressors
  • Condensers
  • Evaporation coils
  • Component and tubing systems
  • Cooling system for automotive industry
  • Water nozzles for engine testing


Document type Download
Press release
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Fast test connections for smooth tubes - WEH® TW241

The clamping lever actuated quick coupling TW241 improve in-process leak testing, high pressure testing, run testing and function testing of smooth tubes with straight tube ends sealing the exterior / outside diameter. They offer the fastest way to connect and disconnect thanks to the WEH® Jaw Locking Mechanism and the easy to operate clamping lever. The sealing design seals reliably and provides a instant connection from vacuum up to max. 70 bar (1,015 psi).

Just push to connect - no need for hand-tightening, no tapes, no thread sealants. The TW241 quick release coupling is ideal for external connections to copper, steel and aluminum tubes and mainly used for testing automotive and refrigeration air conditioning components / HVAC-R systems for example heat exchangers, pressure vessels, gauges and valves - they are tested faster than ever before.