ENERGY SAVING: No power consumption, provides direct stability for water adjustment. UPGRADE MATERIAL: Brass casting construction is durable and reliable, resistant to wear and corrosion, with precise performance. WELL FUNCTION: Pressure regulating valve (steady flow valve) functions similarly to a water flow switch. HIGHLIGHT: This solenoid valve maintains constant and steady water flow, prevents dry burning, and monitors flow rate. EASY TO INSTALL: Simple to install and maintain. Specification: Operating Altitude: less than or equal to 2500m / 8202ft Operating Temperature: 0 - 40 Celsius Operating Humidity: Less than 95% (at 25 Celsius) Type: Guide (One-way) Solenoid Valve Rated Voltage: AC 220V Operating Mode: Short-time Duty System Insulation Grade: E Fluid: Water Fluid Temperature: 0 Celsius - 55 Celsius Water Pressure: 0.02 - 0.8MPa Water Flow Features: Water Pressure (MPa): 0.02, 0.1, 0.3, 0.8 Lifespan: 100,000 cycles Color: Black + Gold Material: Brass + Plastic Size: 6 x 6.4cm Thread Size: 1/2 inch Package Contents: 1 x Electric Solenoid Valve Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowed is +/- 1-3cm.