ERF Model ERF

  • Product Description

  • Product Model

  • Technical Parameters

  • Product Description:

    ·Model ERF/FRFW thermal expansion valves are used to adjust the liquid refrigerant supply volume to the evaporator and they are suitable to various refrigerants and different charging condition. It meets the requirements of the cold storage facility, ice maker and dehumidifier as well as the refrigeration and air conditioning requirements under varied evaporation temperature.


  • Product Model:

    Selection of Model (Common Refrigerants):

    Refrigerant Model Pressure Balance Thread(Connection Size) Nominal Refrigerating Capacity
    Inlet Outlet Outside Balanced End T kW kcal/h
    metric inch metric inch metric inch
    R22 ERF22-Φ1.0 Inner Equilibrium(flare) M16X1.5 3/8 SAE M18X1.5 1/2 SAE —— —— 1.0 3.5 3024
    ERF22-Φ1.5 1.6 5.6 4840
    ERF22-Φ2.0 2.0 7.0 6048
    ERF22-Φ2.5 2.5 8.8 7560
    ERF22-Φ3.0 3.0 10.5 9072
    ERF22-Φ4.0 5.0 17.6 15120
    ERF22-Φ5.0 M22X1.5 5/8 SAE 6.0 21.0 18144
    ERF22-Φ6.0 5.0 17.6 7.5 26.0 22680
    ERF22-Φ7.0 M22X1.5 5/8 SAE M22X1.5 5/8 SAE 8.5 29.9 25704
    ERF22-Φ8.0 12.0 42.2 36288
    ERF22-Φ9.0 15.0 52.7 45360
    R134a ERF22-Φ1.0 M16X1.5 3/8 SAE M18X1.5 1/2 SAE —— —— 0.5 1.75 1510
    ERF22-Φ1.5 0.7 2.5 2116
    ERF22-Φ2.0 1.5 5.2 4500
    ERF22-Φ2.5 1.6 5.6 4838
    ERF22-Φ3.0 2.0 7.0 6048
    ERF22-Φ4.0 3.0 10.5 9072
    ERF22-Φ5.0 M22X1.5 5/8 SAE 5.0 17.6 15120
    ERF22-Φ7.0 M22X1.5 5/8 SAE M22X1.5 5/8 SAE 6.5 22.9 19656
    ERF22-Φ9.0 11.0 38.7 33264
    R22 ERF22-Φ1.0 Outer Equilibrium(flare)   3/8 SAE   1/2 SAE   1/4 SAE 1.0 3.5 3024
    ERF22-Φ1.5 1.6 5.6 4840
    ERF22-Φ2.0 2.0 7.0 6048
    ERF22-Φ2.5 2.5 8.8 7560
    ERF22-Φ3.0 3.0 10.5 9072
    ERF22-Φ4.0 5.0 17.6 15120
    ERF22-Φ5.0 1/2 SAE   5/8 SAE 6.0 21.0 18144
    ERF22-Φ6.0 7.5 26.5 22680
    ERF22-Φ7.0 5/8 SAE   5/8 SAE 8.5 29.9 25704
    ERF22-Φ8.0 12.0 42.2 36288
    ERF22-Φ9.0 15.0 52.7 45360
    R134a ERF22-Φ1.0 3/8 SAE   1/2 SAE 0.5 1.75 1510
    ERF22-Φ1.5 0.7 2.5 2116
    ERF22-Φ2.0 1.5 5.2 4500
    ERF22-Φ2.5 1.6 5.6 4838
    ERF22-Φ3.0 2.0 7.0 6048
    ERF22-Φ4.0 3.0 10.5 9072
    ERF22-Φ5.0 1/2 SAE   5/8 SAE 5.0 17.6 15120
    ERF22-Φ7.0 5/8 SAE   5/8 SAE 6.5 22.9 19656
    ERF22-Φ9.0 11.0 38.7 33264


    ·Working Condition of Nominal Refrigerating Capacity: Evaporation Temperature te = + 5℃; Condensation Temperature tK = +40℃; Degree of Superheat 2℃

  • Technical Parameters:

    Applicable Refrigerants: R22、R134a
    Applicable Medium Temperature: -40℃~+10℃
    Norminal Capacity: 3.5KW~158KW
    Adjustable Range of Superheat: 2℃~8℃
    Ex-Works Static Heat Adjustment 3.5℃
    Outer Equilibrium End Leakage: ≤75ml/min
    Maximum Working Pressure: 2.0MPa
    Maximum Testing Pressure: 3.0MPa


    ·Model ERF (ERFW) and FRF expansion valves have two types of connection: Flare and ODF.
    ·Model ERF (ERFW) and FRF expansion valves capillary standard 1.5 m, (φ10~ 13 is 3m ) and special length is available to meet customer requirement.


    Structure:

    Model ERF(metric flare)

    1、air box head; 2、nut; 3、seal cap; 4、filter screen; 5、valve body; 6、value element;  7、adjustment spring; 8、adjustment nut; 9、adjustment seat; 10、valve stem; 11、bonnet; 12、seal ring; 13、O-ring; 14、gasket; 15、security belt; 16、metric nut; 17、seal cap; 18、drive rop




    Model ERF(inch flare)

    1、air box head; 2、nut; 3、seal cap; 4、filter screen; 5、valve body; 6、value element;  7、adjustment spring; 8、adjustment nut; 9、adjustment seat; 10、valve stem; 11、bonnet; 12、seal ring; 13、O-ring; 14、gasket; 15、security belt; 16、metric nut; 17、seal cap; 18、drive rop


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