Breathing Air Products, Couplings & Nipples

Series 141

  • One-hand operation
  • Extremely small external dimensions
  • Suitable for supply of liquids in closed units


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 pneumatic applications, as well as fluid and vacuum lines.

Couplings Part No. Connection Length Diameter Hexagon
Female thread 10 141 1201 101411201G 1/8"43.51513
Male thread 10 141 1251 101411251G 1/8"4012.711


Nipples Part No. Connection Length Diameter Hexagon
Female thread 10 141 5201 101415201G 1/8"3013.912


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: 2.5 mm (3/32")
Air flow: 86 l/min (3.0 CFM)
Water flow: 3.5 l/min (0.8 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
Material seal: NBR

Air flow capacity is measured at 87 PSI (6 bar) inlet pressure and 7 PSI (0.5 bar) pressure drop. Water flow capacity is measured at 58 PSI (4 bar) bar pressure drop

Fluid Flow
Pressure drop, PSI (bar) Series 141 Flow, CFM (l/min)

Available files for download

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