MDF Flange Series Solenoid Valve

MDF Flange Series Solenoid Valve

MDF flange solenoid valves are used in the oil return line of compressors, applicable for various POE refrigeration oil and general refrigerants such as R22. But applicable maximum differential pressure is different in pure oil and in non-pure oil environments for the oil temperature and viscosity.

Technical parameters

  • Features
    • Applicable for stop-and-go control of oil return line in refrigerating compressors
    • Direct operated, normally close valve with Zero Min. Valve Opening Pressure Difference
    • Applicable for POE refrigeration oil and various fluoride refrigerants
    • Maximum valve opening pressure difference for gassy oil and 90ºC pure oil is 2.2MPa
    • Utilizing no connection tube structure, but flange connection is compact, light, easy to install and have good performance of anti-vibration
    • The valve body is all welded for tightness with little leakage ris
  • General specifications
    • Applicable refrigerant: POE refrigeration oil, R22, R134a, R407C, R404A etc.
    • Applicable medium temperature: 0??90?
    • Applicable ambient temperature: -30??+55?
    • Maximum working pressure: 4.5MPa?655Psig?
  • Technical Parameters

    Technical Parameters of Valve Body

    Model Operation Type Cv Value Operation Pressure Difference MPa
    MAX Min
    Gas and 90ºC pure oil 0ºC pure oil
    FDF2A905 Directoperated 0.14 2.2 0.8 0


    Electrical Parameters of Coil

    Series Insulation Grade Voltage Change Frequency Hz Wiring Type IP Grade
    Matching Coil MQ-A01220 F AC220V 50 DIN junction box IP65

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