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Heavy-Duty Brass Copper Quick-Coupling Valves - China Suppliers & Factory for Irrigation Systems

Crafted from heavy-duty brass with a high-quality copper alloy, this product ensures exceptional strength, corrosion resistance, and long-lasting durability. Designed for instant water access, it allows easy connection of hoses and service tools without the need to shut off the main irrigation line. Precision machined threads guarantee tight, leak-free connections even under high pressure, providing reliable performance in demanding applications. The safe and controlled valve design remains securely closed until the matching key is inserted, preventing accidental water flow. Built to withstand harsh environments, this product is perfect for golf courses, parks, and professional irrigation systems requiring frequent and dependable water access. Manufactured in China by leading suppliers and factory experts, it offers superior quality and value for all your irrigation needs

    Product Description

    RAIN LING Cooper Quick-Coupling Valves Series is engineered for professionals who demand strength, reliability, and precision in every irrigation component. Constructed from solid brass, these valves provide durable, corrosion-resistant performance that withstands years of use in outdoor and underground environments.

    Unlike plastic couplers, cooper quick-coupling valves deliver superior pressure resistance and long-term mechanical stability, making them ideal for high-demand applications such as golf course irrigation, sports fields, and landscape maintenance.

    Solid Brass Construction Premium copper alloy offers superior pressure resistance and long-term durability.
    Secure Two-Piece Configuration Features a valve body and a key rod, ensuring controlled water access and preventing unauthorized use.
    Universal Compatibility Available in 3/4" (DN20) and 1" (DN25) sizes to fit most major professional irrigation systems.

    Each valve includes a secure two-piece configuration — a valve body and a key rod — ensuring controlled water access and safe operation. The valve cannot be opened without its corresponding key, preventing water loss and unauthorized use.

    Available in both 3/4" (DN20) and 1" (DN25) sizes, these quick couplers are compatible with most major irrigation systems and accessories, providing a universal and efficient water access point for service, cleaning, or hand watering.

    With working pressure rated up to 8 bar, the Cooper Quick-Coupling Valve Series combines industrial-grade durability with smooth operation, ensuring consistent performance in demanding irrigation environments.

    Product Specifications

    Model No. Type Connection Size Material Components Working Pressure Warranty
    RL-VQ75S Two-Piece Set 3/4" (DN20) Brass (Copper Alloy) Valve Body + Key Rod 2–8 bar 3 years
    RL-VQ100S Two-Piece Set 1" (DN25) Brass (Copper Alloy) Valve Body + Key Rod 2–8 bar 3 years

    Detail Display

    Frequently Asked Questions

    What material are RAIN LING Quick-Coupling Valves made of?

    RAIN LING Quick-Coupling Valves are constructed from solid brass (copper alloy). This premium material ensures excellent corrosion resistance, superior pressure tolerance, and long-term mechanical stability in outdoor and underground environments compared to plastic alternatives.

    What sizes are available for these quick-coupling valves?

    The series is available in two standard sizes: 3/4" (DN20) under model number RL-VQ75S, and 1" (DN25) under model number RL-VQ100S. Both sizes are compatible with most major professional irrigation systems.

    How does the two-piece configuration prevent unauthorized water access?

    Each unit includes a valve body and a matching key rod. The valve remains closed and locked underground, and it cannot be opened or activate water flow without inserting and rotating the corresponding key rod. This design prevents water loss, vandalism, and unauthorized water use.

    What is the working pressure rating for these valves?

    These brass quick-coupling valves are rated for a working pressure range of 2 to 8 bar, making them highly reliable for high-demand irrigation applications like golf courses and sports fields.

    Do these valves come with a warranty?

    Yes, both the RL-VQ75S (3/4") and RL-VQ100S (1") models come with a 3-year warranty, ensuring industrial-grade durability and peace of mind for professional irrigation systems.