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  • How does a proportional valve work?

    14-03-2022

    The command signal is amplified by the proportional amplifier, and the current is proportionally output to the proportional electromagnet of the proportional valve. direction, so as to realize the pos...

  • What are the introductions of proportional valves?

    08-03-2022

    Proportional valve is a new type of hydraulic control device. On ordinary pressure valves, flow valves and directional valves, proportional electromagnets are used to replace the original control part...

  • What are the requirements for solenoid valve selection?

    01-03-2022

    Solenoid valve selection should first follow the four principles of safety, reliability, applicability and economy, followed by six aspects of the field conditions (ie pipeline parameters, fluid param...

  • How to test the performance of the solenoid valve?

    21-02-2022

    How to test the performance of the solenoid valve?       1. Opening voltage test: Connect the clean air with rated pressure to the air inlet of the electromagnetic pulse valve, input 85...

  • What is the working principle of flange solenoid valve?

    14-02-2022

    Flange solenoid valve is a pilot-operated double-opening solenoid valve composed of auxiliary valve and main valve. It is the opening and closing of the auxiliary valve to control the opening and clos...

  • What is the working principle of self-maintaining solenoid valve?

    09-02-2022

    The maintenance type solenoid valve means that the valve power switch action only needs to be energized for a moment, and the spool position does not need electricity to maintain. Its advantages depen...