Products

Proportional Solenoid Valve

What is a Proportional Solenoid Valve?

A proportional solenoid valve is an advanced electromechanical device that regulates fluid flow proportionally to an electrical input signal, offering precise control in various applications. Unlike standard on/off solenoid valves, proportional models provide variable flow or pressure control, enhancing system efficiency and performance.

Key Product Parameters

Our proportional solenoid valves are engineered with high-quality materials and cutting-edge technology to ensure reliability and accuracy. Below are the detailed specifications:

  • Operating Principle: Direct-acting or pilot-operated with proportional solenoid
  • Voltage Range: 12V DC, 24V DC, 110V AC, 220V AC (custom options available)
  • Current Consumption: Typically 0.1A to 2.0A, depending on model and load
  • Response Time: Less than 50 milliseconds for full stroke
  • Operating Pressure Range: 0 to 500 PSI (35 bar), with higher ranges on request
  • Temperature Range: -40°C to 120°C for standard models; extended ranges possible
  • Fluid Compatibility: Air, water, hydraulic oils, and other non-corrosive fluids
  • Port Sizes: 1/8" to 1" NPT, BSP, or metric threads
  • Materials: Body: brass, stainless steel, or aluminum; Seal: NBR, FKM, EPDM
  • Protection Rating: IP65 standard for dust and water resistance
  • Certifications: CE, RoHS, and ISO 9001 compliant
Model Series Max Flow Rate (L/min) Input Signal Weight (g) Life Expectancy (Cycles)
PSV-100 20 0-10V DC / 4-20mA 250 10 million
PSV-200 50 0-10V DC / 4-20mA 400 15 million
PSV-300 100 PWM / 0-5V DC 600 20 million
PSV-400 200 0-10V DC / 4-20mA 800 25 million

Applications of Proportional Solenoid Valves

These valves are widely used in industries requiring precise fluid control, such as:

  • Industrial automation: for pneumatic and hydraulic systems
  • Medical equipment: in ventilators and drug delivery systems
  • Automotive: for fuel injection and transmission control
  • Agriculture: in irrigation and spraying systems
  • HVAC: regulating refrigerant and water flow

Advantages of Our Proportional Solenoid Valves

  • High precision and repeatability in flow control
  • Energy-efficient operation with low power consumption
  • Durable construction for long service life
  • Easy integration with PLCs, microcontrollers, and analog systems
  • Minimal maintenance requirements due to robust design

Proportional Solenoid Valve FAQ

What is the difference between a proportional solenoid valve and a standard solenoid valve?
A proportional solenoid valve allows for variable control of flow or pressure based on an input signal, whereas a standard solenoid valve only offers on/off functionality. This makes proportional valves ideal for applications requiring fine adjustments.

How do I select the right proportional solenoid valve for my application?
Consider factors such as fluid type, flow rate requirements, pressure range, voltage supply, and environmental conditions. Our product tables and specifications can guide you, or consult with our technical team for personalized recommendations.

What input signals are supported by your proportional solenoid valves?
Our valves typically support analog signals like 0-10V DC, 0-5V DC, or 4-20mA, as well as PWM (Pulse Width Modulation) for digital control. Check the specific model datasheet for details.

Can these valves handle corrosive fluids?
Yes, but it depends on the material selection. We offer models with stainless steel bodies and chemical-resistant seals (e.g., FKM) for corrosive environments. Always verify compatibility with your fluid.

What is the typical lifespan of a proportional solenoid valve?
With proper maintenance and within specified operating conditions, our valves can last for millions of cycles, often exceeding 10 million operations, as indicated in the product specifications.

Do you provide customization options for special requirements?
Absolutely. We offer custom voltage, port sizes, materials, and sealing options to meet unique application needs. Contact our support team with your specifications.

How do I install and maintain a proportional solenoid valve?
Installation involves mounting the valve in the correct orientation, connecting electrical leads to the appropriate signal source, and ensuring proper sealing. Regular maintenance includes checking for leaks, cleaning filters, and inspecting seals periodically. Refer to the user manual for detailed instructions.

Are these valves suitable for high-pressure applications?
Yes, many of our models are designed for high-pressure systems up to 500 PSI or more. Specify your pressure requirements when ordering to ensure the correct valve is selected.

What certifications do your products have?
Our proportional solenoid valves are CE marked, RoHS compliant, and manufactured under ISO 9001 quality management systems, ensuring they meet international standards for safety and performance.

Can I use these valves with Arduino or other microcontrollers?
Yes, our valves with PWM or analog input signals can be easily interfaced with Arduino, Raspberry Pi, or other microcontrollers using appropriate drivers or amplifiers for precise control in DIY or prototyping projects.

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Proportional Solenoid Valve
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