What Voltage Does a Proportional Valve Control?

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A Proportional Valve is a type of control valve that regulates pressure, flow, or force by adjusting its opening in response to an electrical input signal. Unlike traditional on/off solenoid valves, proportional valves allow for smooth and precise control, making them essential in industries such as laser cutting, blow molding, medical devices, and semiconductor manufacturing.

Common Voltage Ranges for Proportional Valve

Proportional valves operate using different voltage levels depending on their design and application. The most common voltage ranges include:

1. Low Voltage (12V - 24V DC)

  • 12V DC – Common in automotive and mobile hydraulic systems where battery power is used.

  • 24V DC – The standard voltage for industrial automation, pneumatic control, and precision fluid regulation.

  • Advantages:

    • Energy-efficient operation.

    • Safe and widely compatible with industrial control systems.

    • Smooth and precise modulation of flow or pressure.

2. High Voltage (110V - 240V AC)

  • 110V - 120V AC – Used in North America for certain industrial and HVAC applications.

  • 220V - 240V AC – More common in Europe and high-power applications.

  • Advantages:

    • Suitable for high-power applications.

    • Reduces the need for voltage conversion in specific regions.

    • Often used in heavy industrial environments.

Choosing the Right Voltage for a Proportional Valve

When selecting a proportional valve based on voltage, consider the following factors:

  • Application Requirements – Ensure the voltage range matches the system’s control and power needs.

  • Power Supply Compatibility – Verify that the available power source aligns with the valve’s voltage specifications.

  • Response Time – Lower voltage valves (such as 24V DC) typically provide finer and more precise control.

  • Safety Considerations – Lower voltage options (12V or 24V DC) are often preferred in sensitive or mobile applications for safety and efficiency.

KaoLu's Proportional Flow Control valve are designed to operate at different voltage levels, with 12V and 24V DC being the most common for industrial automation and precision control. Higher voltage options, such as 110V to 240V AC, are used in specialized high-power applications. Selecting the right voltage ensures optimal performance, safety, and efficiency in various industries.

For industries like laser cutting, blow molding, medical, and semiconductor manufacturing, choosing the correct proportional valve voltage can enhance system reliability and precision.

Looking for high-quality proportional valves? Explore KaoLu’s advanced solutions designed for precision control and efficiency.

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