This 18-second automatic flushing solenoid valve (with wastewater ratio) features a high-efficiency design specifically designed for wastewater treatment systems. It completes the flushing operation within 18 seconds, ensuring efficient control of wastewater flow. It supports DC 24V, 12V, 36V, and 48V input voltages, offering wide adaptability. This solenoid valve has no connector size requirements, making it suitable for a variety of fluid control applications. Its maximum operating pressure is 0.8MPa and its minimum operating pressure is 0.02MPa, ensuring stable operation in diverse operating environments.