CEJN® Series 346 Couplings

  • The AISI 316 stainless steel construction of Series 346 makes it suitable for agressive applications, such as offshore duty. Its special valve design provides a high rate of airflow. Like most CEJN breathing air couplings, Series 346 offers one-hand operated connection, an integrated safety feature that guards against unintentional disconnection, a grip-friendly locking sleeve, and a broad range of connections.



Technical Data Summary
Specification Details  
Nominal Flow Diameter 7mm
Coupling Material Stainless steel, AISI 316
Nipple Material Stainless steel, AISI 316
Maximum Working Pressure  
35 bar
Maximum Burst Pressure  
140 bar
Standard Flow Rate  
800 l/min (28.2 CFM)
Temperature Range  
  -30°c to +100°c (-22°F to +212°F)


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

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