Hydraulic Products, ISO B Stainless Steel Couplings & Nipples

Series 776, DN25

  • ISO B Standard
  • Stainless steel design
  • Working pressure up to 1810 PSI (125 bar)


CEJN Series 776 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 776 is a stainless steel version.


The couplings and nipples are also available in four smaller sizes; DN (6.3 (Series 376), DN 10 (Series 476), DN 12.5 (Series 576), DN 20 (Series 676). For a steel version see Series 775.

Couplings Part No. Connection Length Diameter Hexagon Seal
Female thread 10 776 1203 107761203G 1"106.26041FPM
 10 776 1403 1077614031" NPT106.26041FPM


Nipples Part No. Connection Length Diameter Hexagon Seal
Female thread 10 776 6203 107766203G 1"6644.841FPM
 10 776 6403 1077664031" NPT6644.841FPM


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: 25 mm (1")
Max. Suggested Flow: 200 l/min ( GPM UK)
Max. working pressure connected: 12.5 MPa
Max. working pressure disconnected: 12.5 MPa
Min. burst pressure connected: 60.0 MPa
Min. burst pressure disconnected: 60.0 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 776, DN25 Flow, GPM

Available files for download

Please complete the form below in order to gain access to downloadable product files. The data you provide is for internal information purposes only and will not be published or made available outside of CEJN.