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Automatic Drain Valve for Irrigation - Reliable Pipe Protection from China Suppliers & Factory

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● Automatic System Protection: This innovative device efficiently releases accumulated water from irrigation lines when the pressure drops below the preset level, making it an essential product for agricultural needs.

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● Prevents Pipe Damage: Our system effectively eliminates standing water, significantly reducing the risk of pipe bursts or freeze damage, ensuring a reliable irrigation process.

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● Reliable Operation: Designed for vertical installation, this product opens at a pressure of 0.2 bar and automatically closes at 0.4 bar, providing dependable operation in various conditions.

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● Maintenance-Free Design: Constructed with corrosion-resistant materials, this maintenance-free solution features a simple, self-cleaning structure that guarantees an extended service life.

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China Suppliers and Factory: As a leading manufacturer based in China, we pride ourselves on delivering high-quality irrigation solutions to suppliers worldwide, ensuring efficient and effective agricultural practices.

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    Product Details

    Product Description

    RAIN LING Auto Drain Valve Series (VX75) is engineered to protect irrigation systems by automatically draining water from pipes when pressure falls below a safe threshold.

    Installed at the lowest points of a line or near the sprinklers, this valve helps prevent water accumulation that can lead to pipe damage or freezing issues.

    Its compact structure and durable materials make it suitable for both residential and commercial irrigation networks. The valve operates automatically — no manual intervention required — offering consistent reliability and system efficiency.

    Product Specifications

    Item Description
    Model VX75
    Connection Size 1/2 in. MPT
    Maximum Pressure 8.5 bar
    Maximum Flow 0.23 m³/h
    Average Opening Pressure (Vertical) 0.2 bar
    Average Closing Pressure (Vertical) 0.4 bar
    Diameter 3.0 cm
    Height 2.5 cm
    Material Engineering Plastic
    Installation Position Vertical (at pipe low points)

    Detail Display

    Drain Valve (1)
    Drain Valve (2)

    Frequently Asked Questions

    What is the main function of the RAIN LING Auto Drain Valve (VX75)?
    The primary function of the VX75 Auto Drain Valve is to protect irrigation systems by automatically draining remaining water from the pipes when system pressure drops below a safe threshold, preventing damage from freezing and water accumulation.
    Where should the VX75 Auto Drain Valve be installed?
    It should be installed vertically at the lowest points of the irrigation pipeline or near the sprinklers where water naturally accumulates.
    What are the connection size and material specifications of this valve?
    The VX75 features a 1/2 inch MPT (Male Pipe Thread) connection size and is constructed from highly durable, corrosion-resistant Engineering Plastic.
    At what pressure does the valve open and close?
    When installed vertically, the average opening pressure is 0.2 bar, and the average closing pressure is 0.4 bar.
    Does the valve require manual operation or power?
    No, the RAIN LING Auto Drain Valve operates entirely automatically based on system pressure changes. No manual intervention or external power source is needed.