Plastic Couplings · KN Series

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Plastic Couplings · KN Series

Couplings of the KN series are designed for use in maintenance systems for industrial batteries. They are used for filling and ventilating of battery cells.

The couplings are made from high-quality synthetic materials with high thermal endurance and dimensional stability. Therefore, they are also suitable for use in medical applications, e. g. in dialysis devices.

The spring-loaded sliding sleeve slides in axial direction for coupling or uncoupling. Locking of the two halves of the coupling is achieved by means of precision snap-in balls.

The design of the coupling allows the use of probes with as well as without valves in carriers with valves.


Working Pressure
20 bar / 2 MPa / 290 PSI

The indicated pressure ratings only apply to the
coupling itself and depend on the connection type.


Standard Seal Material(s)
NBR (Buna-N®), FKM (Viton®)

Alternative seal materials are available on request.