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EF 25~120 Breather Filter Series

This kind of series has 8 models. It includes oil filtering and air filtering. EF series filter incorporated with oil filling is widely used in the tank of hydraulic system. filter element is made of sintered copper powder, which is robust in construction, stable in filtration and resistant to high temperature. The oil level will rise or drop during the operation of hydraulic system. When the oil level rises, the air will be expelled from inside. when the oil level drops, the air will be in breathed from outside. The breather filter can be installed directly on the tank cover to filter the in breathed air. It also can be oil filter, When injecting the oil into tank through this breather filter, the contaminant will be filtered. Breather filter can keep the tank clean and also balance the pressure in the tank, It prolongs the service life of the components.

    product description

    product description01qx2

    TECHNICAL DATA AND MOUNTING SIZE

    Model

    EF1
    -25

    EF:
    -32

    EF,
    -40

    EF.
    -50

    EF,
    -65

    EF,
    -80

    EF,
    -100

    EF,
    -120

    Filter flow (l/min)

    9

    14

    21

    32

    47

    70

    110

    160

    Air flow rate (l/min)

    65

    105

    170

    260

    450

    675

    1055

    1512

    Oil filter area (cm)

    80

    120

    180

    270

    400

    600

    942

    1370

    A (mm)

    80

    100

    120

    150

    190

    220

    274

    333

    B(mm)

    45

    50

    55

    59

    70

    80

    88

    98

    a (mm)

    Φ39

    Φ47

    Φ55

    Φ66

    φ81

    φ96

    Φ118

    Φ138

    b(mm)

    Φ51

    Φ59

    Φ66.5

    Φ82

    Φ102

    Φ120

    Φ140

    Φ160

    c(mm)

    Φ64

    Φ70

    Φ80

    Φ98

    Φ120

    Φ140

    Φ160

    Φ180

    Screw (mm)

    M4x10

    M4x
    10

    M5x14

    M6x14

    M8x16

    M8x16

    M8x20

    M8 x 20

    Air filtration(mm)

    0.279

    0.279

    0.279

    0.105

    0.105

    0.105

    0.105

    0.105

    Oil filtration

    125 (μm) (120 mesh/inch)
     (can be based on user requirements
     or as customer request)

    If the fluid is water-glycol, the model of this breather filter is EF3-40 · BH
    Note: 1. The air flow rate listed in the table is the value when the air flow speed is 15m/s.
    For example, EF1-25, 1 represents the model number, 25 represents the air filter diameter and refueling diameter of 25mm.The air filter is made of copper-based powder metallurgy.
    (4) Reference for selection
    Over the years, our company has tested the technical performance of hydraulic air filters with relevant scientific research units and supporting manufacturers. The conclusion is that: the lower the air flow rate when the hydraulic air filter is working, the better the anti-pollution filtration ability, so in There should be a certain margin when selecting a hydraulic air filter. Generally, the air flow rate is about 1.5 times the system displacement.

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