The solenoid valve is a high quality casting structure, which is accurate and reliable The function of the pressure regulator (steady flow valve) is similar to that of a water flow switch. This solenoid valve can not only maintain a constant flow, but also prevent dry burning and monitor flow. The machine has no power consumption, and the current is stable and adjustable. The solenoid valve has the characteristics of wear resistance, corrosion resistance and high temperature resistance. It is suitable for water heaters, high-end water heaters, smart drinking fountains, water heaters, direct drinking fountains, water purifiers, steam engines, energy-saving air conditioners, water treatment, refrigeration equipment and the water industry. Voltage: AC220V Nominal diameter: G3 or 4inch Water pressure: 0.02-0.8Mpa Size: about 6.5 x 6 x 3.5cm colour:Brass color Material:brass Package Contents: 1 x Normally closed inlet solenoid valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.