Pilot Operated Solenoid Valves

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Pilot Operated Solenoid Valves

The Pilot-Operated Valve is an energy-efficient fluid control device that utilizes a low-power pilot valve to regulate the operation of a high-flow main valve, enabling precise fluid regulation. Its core operating principle leverages differential pilot pressure to actuate the main valve, offering exceptional advantages including rapid response, low energy consumption, and high reliability.

This advanced valve technology finds extensive applications across industrial automation, energy management systems, and environmental protection solutions, delivering superior performance in demanding operational environments.

  • The 0.5W Low Power Brass Pilot Operated Solenoid Valve from the ALP Series features a pilot-actuated mechanism that ensures stable operation in medium to high-flow systems while keeping power consumption to a minimum. With just 0.5W of operating power, it is well-suited for battery-powered, solar-assisted, or remote control environments. The brass body provides mechanical strength and resistance to temperature changes, making it suitable for neutral fluids such as water, air, or non-corrosive gases.

    Key Features:
    1.Material: Brass construction provides durability, heat resistance, and suitability for neutral gases and liquids
    2.Pilot Actuation: Uses system pressure to assist valve operation, reducing energy use and coil heat
    3.Ultra-Low Power: Operates efficiently at just 0.5W, ideal for energy-limited applications
    4.Application Scenarios: Suitable for HVAC valves, water processing systems, automatic irrigation setups, and smart industrial lines
    5.Integration Ready: Customizable control logic, remote interface compatibility, and IoT readiness
    6.Customization Options: Available with private labeling, software integration, and packaging adjustments
    7.Size Options: Full range of sizes available for different pipeline requirements

  • The High Pressure Stainless Steel Pilot Operated Solenoid Valve from the ALP Series is engineered for fluid systems requiring reliable performance under elevated pressure and corrosive conditions. Utilizing a pilot-actuated mechanism, this solenoid valve efficiently controls medium to high flow rates while consuming just 0.5W of power. The 304 stainless steel body ensures long-term durability in demanding environments such as chemical dosing, deionized water systems, or compressed gas handling. Its energy-saving design makes it a strong fit for solar-powered installations, battery-operated equipment, or intelligent control platforms requiring minimal power input.

    Key Features:
    1.Material: Constructed from 304 stainless steel for superior resistance to corrosion and pressure
    2.Pilot Operation: Uses system pressure to assist actuation, enabling efficient control in high-flow systems
    3.Low Power Consumption: Operates at 0.5W, supporting energy-efficient and off-grid control applications
    4.Application Areas: Suitable for chemical dosing, process automation, compressed air systems, water purification, and smart infrastructure
    5.System Integration: Compatible with NB-IoT, MODBUS, and customizable software interfaces
    6.Customization Services: Logo printing, control logic, and packaging can be tailored to application needs
    7.Size Range: Available in multiple sizes for flexible installation across various pipeline setups

  • This Lightweight Plastic Pilot Operated Solenoid Valve from the ALP Series combines low power consumption with dependable pilot-actuated control, making it a practical choice for systems where compact size, corrosion resistance, and energy efficiency are critical. The valve operates by utilizing pilot pressure to control a high-flow main valve, ensuring fast response and stable operation at just 0.5W of power. The corrosion-resistant plastic body reduces overall system weight and is well-suited for chemical dosing, water treatment, and mobile or battery-powered devices.

    Thanks to its compact structure and smart-control compatibility, this valve supports seamless integration into industrial automation, remote monitoring platforms, and energy-saving fluid regulation systems.

    Key Features:
    1.Pilot Operation: Controls high-flow valve using low-power pilot action for responsive and efficient performance
    2.Material: Plastic housing ensures corrosion resistance while keeping the unit lightweight
    3.Power Efficiency: Operates at only 0.5W, suitable for solar-powered or battery-operated control setups
    4.Applications: Ideal for water treatment, chemical dosing, portable devices, and environmental monitoring systems
    5.Smart Integration: Compatible with NB-IoT, MODBUS, and customizable remote control software
    6.Customization: Options available for software, packaging, and logo branding
    7.Available Sizes: Full range of standard sizes to support various pipeline systems

Alahot (zhejiang) Technology Co., Ltd.
About Alahot

Alahot (Zhejiang) Technology Co., Ltd. is a technology-driven manufacturer of solenoid valves. We integrate electromagnetic control, fluidic design, communication protocols, and software engineering to build valves with intelligent sensing and precise control.


We deliver more than components—we deliver control units that can be embedded into your system, sensing, responding, and collaborating to enhance overall performance and value.

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