Cejn 442 Breathing Air Coupling

SKU: C104421004
Regular price £65.64
Delivery times are a guide and are subject to stock availability


This is a Cejn Series 442 breathing air quick release coupling, couplings are manufactured from zinc plated steel / brass and Plugs are manufactured from hardened zinc plated steel. This range has a maximum working pressure of 35 bar with a flow capacity of 3950 l/min.  This coupling is valved which is closed when disconnected. These couplings are designed to prevent unintention disconnection, one hand to connect, and two hand to disconnect.


  • Nominal flow diameter is 10.4mm (13/32")
  • Flow Capacity is 3950 l/min (139.4 CFM) measured at 6 bar (87 psi) with a 0.5 bar (7 psi) pressure drop
  • Max working pressure 35 bar (507 psi)
  • Temperature range -30°C to +100°C (-4°F to +212°F)
General Delivery Time: 2 working days
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