WEH® Connector TW141 for straight tube OD, lever actuation, vacuum up to max. 100 bar - Product family

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The WEH® TW141 Quick Connector is ideally suited for function, pressure and leak testing at straight tubes with an external Ø of 6.0 mm to 22.2 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 5 bar.

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.

Nominal bore (DN)
3 to 5 mm, acc. to design
Max. allowable operating pressure PS
Vacuum up to 100 bar (1,450 psi)
Temperature range
-10 °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
Actuation
Manual actuation via lever
Material
Clamping jaws: Corrosion resistant stainless steel, hardened
Housing: Anodized aluminium
Sealing material
Front seal of NBR
Marketing Features
  • Connection in seconds
  • Ergonomic design
  • For connection onto straight tubes; sealing on the exterior diameter
  • High-grade materials
  • No hand tightening required
  • No lateral forces generated on connection
  • WEH® Jaw Locking Mechanism
Application

Quick connect / disconnect for pressure testing / function testing / leak testing of straight tubes sealing on the external diameter Ø 6.0 mm 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.

 
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