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WEH® Connector TW141 for straight tube OD, lever actuation, vacuum up to max. 1,450 psi - Series

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  • Connection in seconds - Just PUSH to connect
  • No tapes, no thread sealants, no hand tightening required
  • For connection onto straight tubes, sealing on the exterior diameter
  • No lateral forces generated on connection
  • Unique WEH® Jaw Locking Mechanism
Video
  • WEH® TW141 | Tube coupling for pressure tests
    WEH® TW141 | Tube coupling for pressure tests
    The WEH® TW141 Quick release pipe coupling provide optimum sealing on the tube OD (external diameter of tubes) within seconds. Thus being the ideal tool for leak tests, pressure tests and vacuum tests of pipes with smooth surface.
  • WEH® TW141 | Function
    WEH® TW141 | Function
    The WEH® Quick release coupling TW141 is very easy to use. Only place the quick disconnect onto the test piece and release the hand lever. The pressure-tight connection is established and the test media can be supplied. Now pressure testing / function testing can be effected.
Description
WEH® Connector TW141 for straight tube OD, lever actuation, vacuum up to max. 1,450 psi - Series

The WEH® TW141 Quick Connector is ideally suited for function, pressure and leak testing at straight tubes with an male Ø of 4.8 mm to 22.0 mm as well as filling of closed cooling circuits with refrigerants. Safe and pressure-tight connections are established in just seconds - without tedious hand tightening.

The higher the test pressure, the tighter the WEH® Connector will clamp itself onto the test piece port thus establishing a leak-tight connection in just seconds. An internal pressure support provides additional operator safety by ensuring that disconnection is not possible until pressure has decreased to a safe value below 75 psi.

The front O-ring reliably seals the connection and can be easily replaced during maintenance.

Thanks to the jaw locking mechanism, surface pressure and thus deformation of the test piece is reduced. Additional sealants are not required. Time-consuming and expensive clamping and testing devices are eliminated.

The TW141 is a lever-actuated connector which creates no lateral forces that can distort the test piece or filling port when connecting and disconnecting. The easy and comfortable actuation of the connector makes for reduced testing times and facilitated workflows.

Features
  • Connection in seconds - Just PUSH to connect
  • No tapes, no thread sealants, no hand tightening required
  • For connection onto straight tubes, sealing on the exterior diameter
  • No lateral forces generated on connection
  • Unique WEH® Jaw Locking Mechanism
  • Ergonomic design
  • High-grade materials
Technical Data
Max. allowable operating pressure PS Vacuum up to 1,450 psi (100 bar)
Temperature range +14 °F up to +176 °F
Media inlet NPT 1/4" male thread
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 lever
Material Clamping jaws: Corrosion resistant stainless steel, hardened
Housing: Anodized aluminium
Sealing material Front seal of NBR
Registration Certified quality assurance system according to the pressure equipment directive 2014/68/EC
Application

Quick connect / disconnect for pressure testing / function testing / leak testing of straight tubes sealing on the external diameter Ø 4.8 mm (3/16") up to 22.2 mm (7/8").

The TW141 Quick coupling has found use in the automotive industry HVAC-R industry for testing of:

  • Heat exchangers
  • Air conditioning components
  • Tube assemblies
  • Automotive fuel systems
  • Beverage coolers / Beverage refrigerators

Filling connector for charging of closed cooling circuits with refrigerants.
TW141 Test fitting for tube outside diameter
Downloads
Document type Format Size Download
Datasheet PDF 290 KB
Quick Facts PDF 208 KB
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Fast test connections for straight tubes - WEH® TW141 Quick Coupling

The manually actuated tube coupling TW141 for high pressure testing, leak testing and function testing of straight tubes sealing the exterior diameter. They offer the fastest way to connect and disconnect thanks to the WEH® Jaw Locking Mechanism and the easy to operate hand lever. Just push to connect and the instant connection is provided - no tapes, no thread sealants. The TW141 quick release coupling is mainly used for testing refrigeration and air conditioning components – they are tested faster than ever before.

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