Lefoo - Air compressor and pump Pump pressure LF10-W series pressure switches provide time tested,...

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Transcript of Lefoo - Air compressor and pump Pump pressure LF10-W series pressure switches provide time tested,...

  • B C D E

    www.lefoo.com

    NC

    1.8-4.0bar 8-10bar

    2-4bar1-3bar1-6bar

    5-14bar

    10

    /

    female

    / /

    / /

    /

    /

    /

    R1/4

    R1/2

    G1/4

    G1/2

    /

    /

    Φ6.0mm

    Φ6.4mm

    Φ6.5mm

    /

    /

    /

    B C

    E

    /

    /

    0

    1

    2

    3

    4

    5

    6

    / /

    /

    /

    /

    Unloader Valve

    Air With

    F

    Air compressor and pump pressure switch

    Pressure setting:Cut in 7.5bar

    Number Unloader Valve Type

    Unloader Valve Connection

    Connection Size

    Connection Type

    Handle Type

    /

    single port

    /

    four ports

    /

    /

    three ports

    without

    D vertical

    without without

    F ON/OFF Knob

    Model Operating

    Pressure Range Factory SettingDifferential

    Electrical Rating

    Contact Arrangement

    Media

    Conversion: 1kgf/cm²=14.2psi 1bar=14.5psi

    1.4-3.5bar 6-8bar

    Dimension in:mm

    single port

    /

    /

    /

    /

    female

    male

    /

    /

    /

    /

    B C

    B

    /

    Conversion: 1kgf/cm²=14.2psi 1bar=14.5psi Other connections are available on request.

    15-82psi

    NC

    R1/4

    R3/8

    G1/4

    G3/8

    1

    2

    3

    4

    5

    6

    Number

    C

    30-100psi

    20-35psi

    30-50psi

    15-30psi

    20-35psi

    NO

    35-150psi 30-40psi

    80-15psi

    100-30psi

    150-35psi

    50-30psi

    100-75psi

    125-95psi

    17-30psi

    25-30psi

    30-45psi

    11

    Pump pressure switch

    Contact Type: NC NO Pressure setting:Cut in 35psi

    7

    8

    / /

    / /

    Model Operating

    Pressure Range Factory Setting Differential

    Electrical Rating

    Contact Arrangement ConnectionMedia

    Water

    Water

    Water

    Water

    Water

    Water

    Connection SizeConnection Type

    www.lefoo.com

    Dimension in:mm

    LF19 Order Ref NO

    LF19 - 4 1 1 1 2 1 - 7.5 - 10.5bar

    Cut off 10.5bar

    LF19 pressure switches provide time tested, reliable control for automatic water systems. The switch is universally acceptable for use as original equipment on water well pumps or pumping systems. It is available with an On-Off knob for manual cut off the pump.

    1/4NPT

    1/2NPT

    Specification

    LF19 2-11bar 250VAC

    16A/25A

    LF10-W series pressure switches provide time

    tested, reliable control for automatic water

    systems. The switch is universally acceptable

    for use as original equipment on water well

    pumps or pumping systems.

    LF10-WS and LF10-WR Order Ref NO

    LF10(A) - W(S or R) - 1 1 1 - 30 - 50psi

    Cut off 50psi

    G1/4 Bolt Connectin

    3/8NPT

    1/4NPT

    NPT1/4 Long Male

    Specification

    LF10-WS

    (LF10A-WS)

    LF10-WR

    (LF10A-WR)

    85-115psi

    120VAC、20A

    (120VAC、26A)

    240VAC、12A

    (240VAC、26A)

    240VAC、20A

    (120VAC、26A)

    240VAC、12A

    (240VAC、26A)

    1/4NPT

    Male or

    Female

    1/4NPT

    Male or

    Female

    84

    76

    65

    93.9

    32.2

    71 .5

    11 8. 5

    64.8

    页 17