Type GWI Internal Thread Quick Connectors

The innomatec connec® quick connect system, type GWI seals internal threads or connects them to a pipe system. Sealing surfaces as well as test specimens with tolerances are sealed axially.

The innomatec connec® quick connect system has excellent sealing properties ("helium-tight"). The service life of the sealing rubber is designed for suitability for series production. The sealing rubber can be changed very easily without tools.

The connection is available in many special versions for special applications with stroke limitation, slide lock, internal mandrel, or special seals for special environmental conditions. For special applications, the dimensions of the connection can be adapted to the task. Also for single pieces.

  • G-thread
  • NPT thread
  • Metric thread
  • SAE - Thread
  • Thread with recess


Standard: stainless steel

Test pressure

-1.0 bar to 340 bar
The connection must always be screwed on hand-tight.

Working medium

Compressed air, helium, water. Other media on request.


10 degrees Celsius to 70 degrees Celsius

Special designs on request

Special sealing rubbers for food and medical applications.
Temperature resistance up to 200 degrees Celsius and resistance to aggressive media.

Seal Test Part with Threaded Connection

The innomatec connec ® quick connection system type GWI is simply screwed hand-tight into the threaded connection of the test item until the seal is in contact with the mating piece. The test can now be carried out by supplying the test medium. After the test has been completed, release the test pressure. The quick connector can be unscrewed by hand without tools.

We can supply the following accessories

  • Mounted screw connections for connection lines
  • Shut-off valves for working medium
  • Dummy plugs for working medium