ENERGY SAVING: No power consumption, provides direct stability for water adjustment. UPGRADE MATERIAL: Brass casting structure is durable, reliable, anti-corrosion, and precise. WELL FUNCTION: Pressure regulating valve (steady flow valve) functions similarly to a water flow switch. HIGHLIGHT: This solenoid valve maintains constant current and steady flow, prevents dry burning, and monitors flow. EASY TO INSTALL: Simple to install and maintain. Specification: Operating Altitude: Less than or equal to 2500m / 8202ft Operating Temperature: 0 - 40°C Operating Humidity: Less than 95% (at 25°C) Type: Guide (One-way) Solenoid Valve Rated Voltage: AC 220V Operating Mode: Short-time Duty System Insulation Grade: E Fluid: Water Fluid Temperature: 0°C - 55°C Water Pressure: 0.02 - 0.8MPa Water Flow Features: Water Pressure (MPa): 0.02, 0.1, 0.3, 0.8 Lifespan: Greater than 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 shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm.