Stainless steel screw-in-fittings with one seal

This non-corrosive, acid-resistant and easy-to-clean connection system of stainless steel 1.4404 is designed for the fast connection and disconnection of coolant tubes in closed coolant systems in industrial applications, welding technology and robot applications.

The robust and dirt-resistant screw-in-fittings of Series 4600 combine ease of use, since no tools are required, with an economical design and long life. Series 4600 features full flow and an enclosed O-ring, and requires only minimal installation space. The lightweight and compact fittings are available in a wide variety of compatible versions and can be adapted to every individual application.

The practical release sleeve protects the fitting against penetration by impurities and is designed for convenient operation also in dirty condition. The inserted tube is held securely and without damage in the housing by an inner collet.


The dirt-resistant screw-in-fittings designed for a long life and ease of use for demanding coolant applications.

  • Temperature: -20 to +120 °C
  • Working pressure: -0.95 to +16 bar
  • Media: Coolant, air, vacuum and other media
  • Material: Stainless steel 1.4404
  • Small, compact, user-friendly, full flow


Assembly: Insert tube fully into the fitting

Disassembly: Press release sleeve and pull out the tube

Additional information

Our product catalogue provides everything you need to know about the products of Series 4600 and the LIQUIDLINE.

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The non-corrosive, acid-resistant, and easy-to-clean connection system with special technology for fast connection and disconnection or coolant tubes, without the use of tools. User-friendly even in case of dirty connections.

We also manufacture

We deliver more than just our catalogue items. We also develop alternative custom solutions for your application. Do you need other materials, custom connection combinations, small sizes, special dimensions, custom combinations or special accessories? We advise you personally. Around 2,000 special custom solutions that have already been added to Eisele’s regular product line speak for themselves.

Ask us. We will find a solution for your connection!