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    YK series single pole double throw automatic reset pressure controller
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      • YK series single pole double throw automatic reset pressure controller
    产品详情

      Product  Specifications 


    ◆ Single cut double thrower switch mode, double circuits commutate automatically 1 2

    ◆ Security and reliability by adopting fusion welding stainless steel pressure inductor and full air-tight

    connection.

    ◆ Adopting Eng. thread quick connector (copper flare connection) or brass tube welding fitting structure

    ◆ Plugging or wiring connection designed to customers’ choice.

    ◆ Any pressure value within 3~800 PSI (0.02~5.5MPa) can be made based on customers’ requirement.

    ◆ Pre-set pressure parameter before delivery allows direct use without resetting on the customers’ site.


     Typical Outline Drawing


     Operating Principle

    ◆ The series of pressure switches are made based on the theory that an inside reversible stainless steel motion diaphragm turns over when inducing a certain pressure. The electric contact (H) opens and electric contact (L) closes simultaneously when the diaphragm moves. When the system pressure reduces, the diaphragm resets instantly, with the function of which, the electric contact

    disconnects from contact (L) and connects with contact (H) automatically.

     Application


    ◆ The product is mainly used in refrigeration system of air-conditioner and precise pressure control system; It can also be used as the precise high-low pressure protection of variety of equipments and tools.

    Designed Parameter


    ◆ Working pressure range: 3~800PSI(0.02~5.5MPa)

    ◆ Burst Pressure: 5000PSI

    ◆ Ambient temperature: -30℃~+80℃

    ◆ System medium temperature: -50℃~+120℃

    ◆ Life cycles under the rated electric current:

    30,000 times, 50,000 times and 100,000 times optional

    ◆ Electrical Rating: At 24Vac, normal electric capacity: 125VA At 120/240Vac, normal electric capacity: 375VA

    ◆ Dielectric Strength: Between disconnected contacts: AC700V/S Terminal to outer shell: AC2000V/S

    ◆ Safety proof pressure: The pressure that the control can endure while not affects the rated motion value


    The highest range of working pressure

    最高工作压力范围

    Safety proof pressure

    安全耐压

    <145PSI(1MPa)

    250PSI(1.7MPa)

    145PSI(1MPa)~400PSI(2.75MPa)

    600PSI(4.1MPa)

    >145PSI(2.75MPa)

    800PSI(5.5MPa)

     Electric Theory Drawing

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