Series 141, DN 2.5

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Pneumatic Products

Standard Couplings & Nipples

Series 141, DN 2.5

  • Extremely small external dimensions
  • One-hand operation
  • 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 pneumatic applications, as well as fluid and vacuum lines.


Technical Data
Nominal flow diameter: 3/32Inch (2.5 mm)
Air flow @ 100 PSI: 2.2 CFM (86 l/min)
Max. working pressure: 150 PSI (10 bar)
Min. burst pressure: 580 PSI (40 bar)
Temperature range: -22°F — +212°F (-30°C — +100°C)
Material coupling: Chrome-plated brass
Material nipple: Chrome-plated brass

Flow capacity is measured at 100 PSI (6.9 bar) inlet pressure, and pressure drop at 6 PSI (0.4 bar).

Air Flow

Pressure drop, PSI (bar)

Flow, CFM (l/min)
Couplings Part No. Connection
Hose connection 1014110015.0 mm (3/16")
Male connection 101411151R 1/8"
 1014114511/8" NPT
Female thread 101411201G 1/8"
Male thread 101411251G 1/8"


Nipples Part No. Connection
Hose connection 1014150003.0 mm (1/8")
 1014150015.0 mm (3/16")
Male thread 101415151R 1/8"
 101415251G 1/8"
 1014154511/8" NPT
Female thread 101415201G 1/8"


Thread connections are listed according to ISO Standards. All measurements are in mm. Check with an authorized CEJN distributor for availability and prices.