Features: 1. This electric solenoid valve is entirely made of brass, precise and reliable. 2. Pressure regulating valve (constant flow valve) similar to a water flow switch. 3. This solenoid valve can not only maintain a constant current flow, but also prevent dry burning and monitor the flow. 4. Mechanical, no power consumption, adjustable constant flow. 5. This electric solenoid valve has the characteristics of wear-resistant, anti-corrosion and high temperature resistance. 6. Suitable for water, exclusive water heaters, intelligent drinking fountains, water heaters, direct drinking machines, water purification machines, steam machines, energy-saving air conditioners, water treatment, cooling equipment and the water industry and other fields. Note: The actual color may be slightly different from the image due to different monitors and light effects. Please allow 1-3 cm deviation due to manual measurement. Material: Brass Voltage: 12V Nominal diameter: 1/2 Water pressure: 0.02-0.8Mpa Size: 6.5 x 6 x 3.5 cm / 2.56 x 2.36 x 1.38 inches Altitude 2500 meters Ambient temperature: 0 to 40 C Relative air humidity 95% (25 C temperature) Rated voltage: 12V includes: 1 x Electric Solenoid Valve