ENERGY SAVING: No power consumption with direct water flow adjustment stability. UPGRADE MATERIAL: Brass casting construction for durability, reliability, and precise performance. WELL FUNCTION: Pressure regulating valve (steady flow valve) operates similarly to a water flow control valve. HIGHLIGHT: This solenoid valve maintains constant and steady water flow, helps prevent dry burning, and monitors flow rate. EASY TO INSTALL: Simple installation and maintenance. Specification: Operating Altitude: ≤ 2500m (8202ft) Operating Temperature: 0 - 40°C Operating Humidity: < 95% (at 25°C) Type: Pilot (One-way) Solenoid Valve Rated Voltage: AC 220V Operating Mode: Intermittent Duty Insulation Class: E Fluid: Water Fluid Temperature: 0°C - 55°C Water Pressure: 0.02 - 0.8 MPa 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 6.4 cm Thread Size: 1/2 inch Package Contents: 1 x Electric Solenoid Valve (Other items not included) Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement error allowed: ±1-3 cm.