WEH® Connector TW241 for external straight tube diameters , clamping lever actuation, vacuum up to max. 70 bar - Product family

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The WEH® TW241 is the ideal tool for quick and easy leak testing at straight copper, steel or aluminium tubes with an external 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 5 bar.

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.

Nominal bore (DN)
4 to 6 mm, acc. to design
Max. allowable operating pressure PS
Vacuum up to 70 bar (1,015 psi)
Temperature range
+5 °C up to +80 °C
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
Manual actuation via clamping lever
Clamping jaws: Corrosion-resistant stainless steel, hardened
Housing: Anodized aluminium
Sealing material
Front seal of chloroprene
Marketing Features
Connection in seconds,For connection onto straight tubes; sealing on the exterior diameter,High-grade materials,No hand tightening required,No seal adjustment required,Self-retaining up to max. 70 bar,WEH® Jaw Locking Mechanism,Wide range of tube tolerances up to ± 0.25 mm

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
Adatlap EN 376 KB
Adatlap DE 375 KB
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