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Series 922, DN51 Stainless steel

  • Valveless design to permit unrestricted flow
  • Able to withstand long term, repeated use
  • Easy operation to facilitate maintenance


CEJN series 922 is our largest stainless steel quick disconnect coupling within the Full-Flow range with DN51. This model is suitable for large fluid and pneumatic lines that require a durable coupling with unrestricted high flow. Perfect for applications such as main supply lines within power electronics, renewable energy solutions, etc. The straightforward design reduces pressure drop and makes it easy to install, maintain and service. Series 902 has a long service life in applications with a maximum working pressure of 20 bar. To avoid cross connection, colour-coded rings are optional and, for extra operator protection, a safety-locking device is available.


For smaller stainless steel sizes, see series 702 and 852. For an all-brass version, see series 701, 851 and 921. If you can’t find a product that meets your requirements, don’t hesitate to contact us, and we’ll put our R&D department at your disposal. Applications: Heat transfer, compressed airlines, various chemical transfers.

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Technical data:

Couplings (Socket) Part No. Connection Seal Length Diameter Hexagon
Female thread 10 922 0207 G2″ (BSP) NBR 74.5 86.6 75
Nipples without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 922 5207 G 2″ (BSP) 78 86.6 75