Check valves CRCY-P9

• The check valves ensure a one-way direction of the refrigerant flow, in refrigerating and air conditioning installations, running with high working pressures.

• They can be mounted on the liquid, suction, discharge or hot gases defrost line, to prevent unwanted return of refrigerant.

Carly Check valves CRCY-P9 with working pressure 90 bar

  • Maximum working pressure : up to 90 bar with CO2 in subcritical and transcritical compression systems.
  • The check valves can be installed in all positions.
  • They are equipped with an internal pulse absorber piston, with PTFE gasket.
  • Pressure drops are negligible.
  • Perfect air tightness ensured by a TIG brass weld of the body.
  • Thanks to their reduced weight, the check valves CRCY-P9 requires no specific fixing.

Functional features

  • Products are compatible with HFC and CO2 , as well as with their associated oils and additives. Products are designed for use of
    non-hazardous refrigerants from group 2 of PED 2014/68/EU.
  • Product classification in CE categories is performed using the PED 2014/68/EU table, corresponding to a nominal diameter based selection.
  • The brass body of the valves ensures perfect resistance to corrosion.
  • An arrow indicating the refrigerant flow direction is engraved on the brass body of the valve.
  • 4 models with connections to braze (from 1/4” to 5/8” and from 6 to 16 mm).

Carly Check valves CRCY-P9 / 90 bar (1305 psig) brochure



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operating pressure

90 bar

operating temperature

-40°C to 140°C




PED 2014/68/EU



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