Pneumatic Products, Standard Couplings & Nipples

Series 141, DN 2.5

  • Extremely small external dimensions
  • One-hand operated
  • Suitable for several media

Series 141 mini couplings are among the smallest couplings on the market. The Series offers CEJN’s popular product features in a small package and is suitable for fluid and vacuum lines, as well as pneumatic applications.


Series 141, DN 2.5
Technical Data
Nominal flow diameter: 2.5 mm (3/32")
Air flow: 86 l/min (3.0 CFM)
Max. working pressure: 10 bar (145 PSI)
Min. burst pressure: 40 bar (580 PSI)
Temperature range: -30°C — +100°C (-22°F — +212°F)
Material coupling: Chrome-plated brass
Material nipple: Chrome-plated brass
Standards: CEJN Original 2.5 mm
Markets: Global

Flow capacity is measured at 6 bar (87 PSI) inlet pressure, and pressure drop at 0.5 bar (7 PSI).

Air Flow
Pressure drop, bar (PSI)
Series 141, DN 2.5
Flow, l/min. (CFM)
Couplings Part No. Connection
Hose connection 10 141 10011014110015 mm (3/16")
Male thread 10 141 1451101411451NPT 1/8"
 10 141 1251101411251G 1/8"
Female thread 10 141 1201101411201G 1/8"


Nipples Part No. Connection
Hose connection 10 141 50001014150003 mm (1/8")
 10 141 50011014150015 mm (3/16")
Male thread 10 141 5151101415151R 1/8"
 10 141 5251101415251G 1/8"
 10 141 5451101415451NPT 1/8"
Female thread 10 141 5201101415201G 1/8"


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.

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