Product: Tank Automatic Float Valve — automatic control of tank water level and flow Key benefits Prevents overflow and dry-run: automatically stops the inflow when the tank reaches a preset level and reopens when the level drops, removing the need for constant monitoring. Saves water and reduces maintenance: consistent level control minimizes waste and reduces manual interventions. Durable, reliable operation: built from brass for a stable, long-lasting valve body and a robust plastic float ball that resists breakage. Main features Function: Float valve controls flow rate and tank level. Cuts off supply at a set high point and opens automatically when the level falls to the set low point. Material: Brass main body for stability and durability; high-quality plastic float ball for impact resistance. Seal: Rubber seal included to prevent leaks. The seal is flexible, tear-resistant, wear-resistant, and can withstand higher temperatures for reliable tightness. Sizes and compatibility: Available in 1/2 inch DN15, 3/4 inch DN20, 1 inch DN — adjustable to connect easily to a supply tube and compatible with common tank inlet fittings. Easy installation and adjustment: Simple connection to the supply line and straightforward level adjustment to set your desired shutoff point. Performance and use Reliable sealing and corrosion resistance from the brass body help deliver consistent long-term performance in typical water storage environments. The adjustable float arm and valve connection allow fast installation and on-site tuning without special tools. Practical applications (examples) Household water tanks: maintain a steady supply and prevent overflow in rooftop or underground storage tanks. Livestock and poultry troughs: keep drinkers refilled automatically to ensure animals always have water. Rainwater harvesting and irrigation storage: preserve captured water levels for irrigation systems or garden use without manual refilling. What you get A brass-bodied automatic float valve with plastic floating ball and rubber sealing, available in multiple inlet sizes for straightforward replacement or new installations. Note: Choose the correct size (1/2 inch DN15, 3/4 inch DN20, 1 inch DN) to match your supply connection for proper fit and performance.