Fluid Products, Classic Couplings & nipples

Series 225

  • One-hand operated
  • High-flow capacity
  • Small external dimensions


Requiring only one hand for operation, Series 225 couplings are suitable for a variety of fluid applications, such as water inlet and return for injection molding lines. Series 225 features both vavled couplings and valved nipples. Other sealing materials, such as Viton® and EPDM, are available on request. Straight-through couplings are also available on request.


Series 225
Couplings Part No. Connection Seal Length Diameter Hexagon
Female thread 10 225 1202 102251202G 1/4"----


Nipples Part No. Connection Seal Length Diameter Hexagon
Female thread 10 225 6202 102256202G 1/4"----


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: 3 mm (1/8")
Water flow (double shut-off): 8 l/min (2.1GPM us)
Max. working pressure: 35 bar (507 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Temperature range: -30°C — +100°C (-22°F — +212°F)
Material coupling: Chrome-plated brass
Material nipple: Chrome-plated brass
Cv (double shut-off): 0.28

Flow capacity is measured at 4 bar (58 PSI) pressure drop.

Fluid flow
Pressure drop, bar (PSI) Series 225 Flow, l/min. (GPM UK)

Available files for download

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