Gate valve design provides stable flow control and prevents backflow, improving system reliability. Port sizes: 1/2 inch and 3/4 inch; available in two standard sizes to fit water tanks and toilet flush lines. Construction: Made to withstand water pressure and resist corrosion. Versatility: Suitable for various systems in industrial and civil construction, including water tanks, pools, and water towers. Use scenario 1: Residential installations for water tanks and toilet flushing, where reliable backflow prevention and steady flow are needed. Use scenario 2: Pool circulation systems and water towers in commercial or public facilities, providing durable performance under pressure. Use scenario 3: Industrial facilities and civil construction projects that require dependable backflow prevention and corrosionresistant performance across different piping configurations.