Hydraulic Products, ISO B Stainless Steel Couplings & Nipples

Series 576, DN12.5

  • ISO B Standard
  • Stainless steel design
  • Working pressure up to 2900 PSI (200 bar)


CEJN Series 576 features quick-connect couplings and nipples are manufactured according to ISO Standard 7241-1 B. The solid design makes them particularly suitable for strenuous applications in the iron, steel, oil, food and automotive industry. Series 576 is a stainless steel version.


The couplings and nipples are also available in four other sizes; DN 6.3 (Series 376), DN 10 (Series 476), DN 20 (Series 676), DN 25 (Series 776). For a steel version see Series 575.

Couplings Part No. Connection Length Diameter Hexagon Seal
Female thread 10 576 1205 105761205G 1/2"73.94227FPM
 10 576 1405 1057614051/2" NPT73.94227FPM


Nipples Part No. Connection Length Diameter Hexagon Seal
Female thread 10 576 6205 105766205G 1/2"462927FPM
 10 576 6405 1057664051/2" NPT462927FPM


Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.
Technical data
Nominal flow diameter: 12.5 mm (1/2")
Max. Suggested Flow: 90 l/min ( GPM UK)
Max. working pressure connected: 20.0 MPa
Max. working pressure disconnected: 20.0 MPa
Min. burst pressure connected: 100.0 MPa
Min. burst pressure disconnected: 100.0 MPa
Temperature range: -15°C — +180°C (5°F — +356°F)
Material coupling: Stainless steel/brass
Material nipple: Stainless steel/brass
Material seal: Viton (FPM)
Connectability: Without pressure
Disconnection under pressure: Not allowed
Pressure drop chart
Pressure drop, PSI Series 576, DN12.5 Flow, GPM

Available files for download

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