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    Solenoid Valve, 2 Way, Normally Open, 12V/24V/220V for air water oil

    $74.31
    2 way electric solenoid valve for air, water and oil, N/O, stainless steel body and NBR seal, input voltage 12V DC, 24V DC or 220V AC, varous size of pipe connectors including G1/2, 3/4, 1, 1¼, 1½ and 2 inches, fast response time, long life and high reliability.
    SKU: ATO-2WBK
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    Free shipping
    Delivery date: 6-12 days

    2/2 way Normally Open (N/O) electric solenoid valves, pilot-operating type, are used to control the flow of air, water and oil with high reliability and long service life for the applications such as mechanical, textile, medical, food processing and so on.

    Specification

    Model 2WBK-15 2WBK200-20 2WBK250-25 2WBK350-35 2WBK400-40 2WBK500-50
    Valve Type 2 Way 2 Position, Normally Open
    Media Air, Water, Oil
    Operation Mode Pilot-operated
    Port Diammeter(mm2) 16 20 25 35 40 50
    Flow Rate(Cv) 4.8 7.6 12 24 29 48
    Port Size G1/2" G3/4" G1" G1¼" G1½" G2"
    Fluid Viscosity Under 20 CS
    Operating Pressure Water,Oil: 0~0.5MPa Air: 0~0.7MPa
    Max. Pressure Resistance 1.0MPa
    Voltage(Optional) 12V DC, 24V DC, 220V AC
    Voltage Tolerance ±10%
    Operating Temperature -5~+85℃ (23~185℉)
    Body Material Stainless Steel 304
    Seal Material NBR
    Coil Power 20VA

    Dimensions
    Two way no stainless steel solenoid-valve dimensions

    Model Port size A B C
    2WBK160-15 G1/2" 69 56 125
    2WBK200-20 G3/4" 71 56 131
    2WBK250-25 G1" 98 76 140
    2WBK350-35 G1¼" 116 87 146
    2WBK400-40 G1½" 122 94 158
    2WBK500-50 G2" 129 95 170

    Solenoid valve symbol
    2W nc electric solenoid valve symbol
    Tips: If solenoid valve doesn’t work after energized, how to do?
    There are some possible reasons for this problem:

    • Whether the power supply is connected well.
    • Whether the power voltage is within the working range.
    • Whether the coil desoldering.
    • The coil is short circuit.
    • Whether the working pressure differential is proper.
    • The fluid temperature is too high.
    • Extraneous matters make the valve blocked.
    • The liquid is too sticky, the use is too frequent and the service life is up.

    Aiming at the above causes, there are some suggestions listed one by one for your reference.

    1. Reconnect the wires and the connector assembly.
    2. Regulate the voltage to the right scope.
    3. Re-welding the coil.
    4. Change a new coil.
    5. Adjust the pressure differential or replace if necessary.
    6. Update an appropriate solenoid valve.
    7. Clean out; if the seal is broken, change it.
    8. Change a right solenoid valve.
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