WEH® Connector TW117 for testing of gas cylinders, pneumatic actuation via valve button, max. 450 bar


The WEH® Test Connector TW117 simplifies testing of gas cylinders with water. Eliminating tedious screwing and unscrewing of threaded parts saves time and money and also spares the employees muscles and joints.

The quick connector is easy to connect and disconnect with a single-handed operation. The TW117 features high functionality.

Three functions with one connection: filling and testing of gas cylinder with water, discharging of gas cylinders with compressed air. Thanks to the pneumatic actuation, the test connector is also suitable for automation, automated testing systems.

A green visual ring shows when the connector has been properly connected.

Max. allowable operating pressure PS
450 bar (6,525 psi)
Pilot pressure
6 - 8 bar (90 - 120 psi)
Temperature range
+10 °C up to +80 °C
Water, compressed air (when discharging)
Connection A
W28.8x1/14" female thread, DIN 477
Media inlet B1
M16x1.5 female thread
Leak rate
1 x 10-3 mbar x l/s
Pneumatic actuation via valve button
Corrosion resistant stainless steel, aluminium, brass
Sealing material
Part no.
Marketing Features
  • Automation possible
  • Increased productivity & Cost reductions
  • Connection in seconds
  • High-grade materials
  • No hand tightening required
  • Robust construction
  • Three functions with one connection:
    Filling - Testing - Discharging of / with water
  • WEH® Jaw Locking Mechanism

Quick Connector for testing gas cylinders with water. The gas cylinder will be filled with water, then tested for leak tightness and discharged.

CAD Files
Data sheets
Data sheet EN 276 KB
Data sheet DE 258 KB
Your message to us
We need to store and process your data in order to make the requested content available to you. You have the right to request transparency at any time regarding the type of data we process and are entitled to demand the deletion of your personal information. Please read our privacy policy for more information.
How to reach our product experts
+49 7303 9609-0