Flying Bull (Ningbo) Electronic Technology Co., Ltd.

Cutter electrical parts Rotary solenoid valve 121-1490 E320B proportional solenoid valve 1211490

Short Description:


  • Model: 1211490
  • Type (channel location) : proportional solenoid valve
  • Lining material: alloy steel
  • Product Detail

    Product Tags

    Details

    Sealing material:Direct machining of valve body

    Pressure environment:ordinary pressure

    Temperature environment:one

    Optional accessories:valve body

    Type of drive:power-driven

    Applicable medium:petroleum products

    Points for attention

    Third, the classification of solenoid valves

     

     1, direct acting solenoid valve

     

    (Working principle of direct-acting solenoid valve)

     

     When the power is on, the electromagnetic force generated by the electromagnetic coil lifts the

    closing piece from the seat, and the valve is called. When the power is off, the solenoid valve

    disappears, the spring presses the closing part on the seat, and the valve is closed. It is characterized

    by normal operation in vacuum, negative pressure and zero pressure, but the diameter is generally

    not more than 25mm.

     

    2, pilot solenoid valve

     

    (Pilot solenoid valve working principle)

     

     When powered on, the electromagnetic force opens the pilot hole, the upper chamber pressure

    drops rapidly, forming a low and high pressure difference around the closing part, the fluid

    pressure pushes the closing part to move upward, and the valve opens. When the power is off,

    the spring force closes the pilot hole, and the inlet pressure forms a low and high pressure

    difference around the valve closing part through the bypass hole rapidly, and the fluid pressure

    pushes the closing part to move down and close the valve. It is characterized by a high upper

    limit of the fluid pressure range and can be installed arbitrarily (to be customized) but must

    meet the fluid pressure difference condition.

     

    Product specification

    20876912722_1453331006
    20794693376_1453331006
    20719539079_1453331006

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