Pneumatic Products, Button Style Couplings & Nipples

Series 381, DN 8

  • Compact design
  • Complies with safety standard ISO 4414
  • Disconnects in two stages


Compact and light quick-connect coupling, newly shaped in order to meet ergonomic and industrial design requirements. Series 381 has an easy and safe connection/disconnection and are in accordance with ISO 4414 (safety standard). The nipple profile is according to ISO 6150 C.


The Series is also available in one smaller size (Series 291) and one larger size (Series 471).

Couplings Part No. Connection
Hose connection 10 381 3003 1038130038 mm (5/16")
 10 381 3004 10381300410 mm (3/8")
 10 381 3005 10381300513 mm (1/2")
Male thread 10 381 3152 103813152R 1/4"
 10 381 3154 103813154R 3/8"
 10 381 3155 103813155R 1/2"
Female thread 10 381 3202 103813202G 1/4"
 10 381 3204 103813204G 3/8"
 10 381 3205 103813205G 1/2"


Nipples Part No. Connection
Hose connection 10 381 5033 1038150338 mm (5/16")
 10 381 5034 10381503410 mm (3/8")
 10 381 5035 10381503513 mm (1/2")
Male thread 10 381 5132 103815132R 1/4"
 10 381 5134 103815134R 3/8"
 10 381 5135 103815135R 1/2"
Female thread 10 381 5232 103815232G 1/4"
 10 381 5234 103815234G 3/8"
 10 381 5235 103815235G 1/2"


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.
Technical data
Nominal flow diameter: 8.0 mm (5/16")
Air flow: 1050 l/min (37.1 CFM)
Max. working pressure: 10 bar (145 PSI)
Min. burst pressure: 40 bar (580 PSI)
Temperature range: -20°C — +90°C (-4°F — +194°F)
Material coupling: Steel
Material nipple: Hardened steel
Standards: ISO 6150 C DN 8
Markets: France

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

Air Flow
Pressure drop, bar (PSI) Series 381, DN 8 Flow, l/min. (CFM)

Available files for download

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