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SRFA Duplex Tank Mounted Mini-type Return Line Filter

SRFA series oil return filter consists of two monotube filters, directional valve, bypass valve, transmitter, diffuser, etc. The return filter is installed on top of the tank and the filter element can be replaced without downtime. It is suitable for re-filtering the oil concentrate during continuous operation of the hydraulic system, which is used to filter the metal powder generated by the wear of the components in the hydraulic system, the rubber impurities of the seals, etc., and keep the oil flowing back to the oil tank clean to facilitate the circulation of oil in the system.

    Product SpecificationsHuahang

    model

    Nominal flow rate (L/min)

    Filtration accuracy (μm)

    Drift diameter (mm)

    Nominal pressure (MPa)

    Press. loss 

    Indicator

    Connection

    Filter element model

    Initial

    Max.

    (V)

    (A)

    SRFA- 25X*L...

    25

    1

    3

    5

    10

    20

    30

    20

    1.6

    ≤0.08

    0.35

    12

    24

    36

    220

    2.5

    2

    1.5

    0.25

    Thread

    SRFA-25 X*

    SRFA- 40X*L...

    40

    20

    Thread

    SRFA-40 X*

    SRFA- 63X*L...

    63

    32

    Thread

    SRFA-63 X*

    SRFA- 100X*L...

    100

    32

    Thread

    SRFA-100 X*

    SRFA- 160X*L...

    160

    50

    Flange

    SRFA-160 X*

    SRFA- 250X*L...

    250

    50

    Flange

    SRFA-250 X*

    SRFA- 400X*L...

    400

    65

    Flange

    SRFA-400 X*

    SRFA- 630X*L...

    630

    90

    Flange

    SRFA-630 X*

    SRFA- 800X*L...

    800

    90

    Flange

    SRFA-800 X*

    SRFA- 1000X*L...

    1000

    90

    Flange

    SRFA-1000 X


    Note:*refers to filtration accuracy.If the medium is water-glycol,nominal flow rate is 63L/min,filtration accuracy is 10μm,with CYB- I transmitter,the filter model is SRFA-63X10Y,and the filter element model is SRFA-63X80.

    Product featuresHuahang

    1.Easy to install. and connect, simplify the system pipeline.

    2. With by-pass valve, which improves the stability of the hydraulic system.

    3.with electrical indicator,when filter element is blocked, they will give out the signal to clean or change the element.

    4.The element is made of glass fiber. It has high filtration accuracy, low initial pressure loss and high dirt-holding capacity.

    5.The filter has fluid diffuse to help the medium flow stably and avoid the air reentering.

    6.Filter element can be changed without stopping hydraulic system

    Product ApplicationHuahang

    The series filter is widely used in the hydraulic systema of heavy duty,mining and metallurgical  machinary.