Solenoid Valve FDF N/O Series Valve

ref. Solenoid Valve FDF NO Series Valve Body

FDF2AK series solenoid valves are direct operated, normally open solenoid valves, mainly used in refrigerant control of various devices such as refrigerating and freezing systems, air conditioners and heat pumps.

Air conditioning Commercial Refrigeration Heat Pump

General characteristics

SeriesModelPart numberActuationKv [m3/h]Max. OPD [Mpa]Min. OPD [Mpa]MOP [Mpa]Normal PositionSeat mmTube OD [inch]Tube OD [mm]


  • Small volume, low power consumption
  • Excellent operation performance, stable and reliable

General specifications

  • Applicable refrigerant: R22, R134a, R407C, R404A, R410A etc.
  • Applicable medium temperature: -30ºC (-22°F) ~ +120ºC (248°F);
  • Applicable ambient temperature: -30ºC (-22°F) ~ +50ºC (122°F);
  • Relative humidity: below 95%
  • Ps: 4.5MPa (45 Bar)
  • Certifications: UL, TÜV

Technical Parameters

Technical Parameters of Valve Body

ModelPart NumberNormal positionActuationSeat mmKv [m3/h]MOP [MPa]Max OPD [MPa]Min OPD [MPa]Tube OD [mm]Tube OD [inch]
FDF2AK01 FDF-06009 NO Direct 1,8 0,05 4,5 2,1 0 6,35 1/4
FDF2AK08 FDF-06010 NO Direct 1,9 0,08 4,5 1,5 0 6,35 1/4

Technical Parameters of Coil

ModelPart NumberRated Voltage [V]Power [W]Used forFreq. [Hz]Voltage ToleranceInsulation ClassWiring type
FQ-A05024-000709 FQ-A55001 24 AC 10,5W (50 Hz)
8,5W (60Hz)
FDF2AK01 50/60 -15%
B flying leads
FQ-A05120-001098 FQ-A55002 110 to 120 AC 12W (50 Hz)
10W (60Hz)
FQ-A0522G-001044 FQ-A55003 220 to 240 AC 12W (50 Hz)
10W (60Hz)
FQ-A0522G-001066 FQ-A55007 220 to 240 AC 12W (50 Hz)
10W (60Hz)


Solenoid Valve FDF2AK Series . FDF2AK01


Solenoid Valve FDF2AK Series . Equipped with FQ-A01 Series Coil

Equipped with FQ-A01 Series Coil

Solenoid Valve FDF2AK Series . FDF2AK08, FDF2AK09


Solenoid Valve FDF2AK Series . Equipped with FQ-A05 Series Coil

Equipped with FQ-A05 Series Coil