Parkair CP21 Quick Connect Couplings Brass

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This is a Parkair CP21 pneumatic quick release coupling, couplings and nipples are manufactured from brass. These couplings are design to interchange with other series 21 couplings. This range has a maximum working pressure of 35 bar with a flow capacity of 550 l/min.  This coupling is valved which is closed when disconnected.


  • Nominal flow diameter is 5mm (3/16")
  • Flow Capacity is 560 l/min (19.4 CFM) measured at 6 bar (87 psi) with a 0.5 bar (7 psi) pressure drop
  • Max working pressure 30 bar (435 psi)
  • Temperature range -20°C to +100°C (-4°F to +212°F)

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