Features: 1.This electric solenoid valve is all brass casting structure precise and reliable 2.Pressure regulating valve (steady flow valve) function similar to water flow switch. 3.This solenoid valve not only can keep the constant current steady flow but also prevent the dry burning and monitoring the flow. 4.Mechanical no power consumption steady flow adjustable. 5.This electric solenoid valve has the characteristic of wear-resistant anti-corrosion and high temperature resistance. 6.Suitable for water high-end water heaters intelligent drinking fountains water heaters straight drinking machines water purification machines steam machines energy-saving air-conditioning water treatment cooling equipment and water industry and other fields. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Material: Brass Voltage: 12V Nominal diameter: 1/2" Water pressure: 0.02-0.8Mpa Size: 6.5 x 6 x 3.5cm / 2.56 x 2.36 x 1.38inch Altitude2 500 meters Ambient temperature: 0 to 40 C Air relative humidity95% (25 C temperature) Rated voltage: 12V includes: 1 x Electric Solenoid Valve "