Float valve 1" 3/4"1/2" ball overflow protection overfill protection water tank Special feature: Stainless steel float, resistant to corrosion and turbidity. Thickened copper. Inline float valve. Strong antioxidant and rust inhibitor. Does not release pollutants harmful to the environment. Specification: Material: Stainless steel Screw connection: Brass Float: Stainless steel Color: Silver Model: G1/2 inch DN15 (L: 75.5, D: 8, H: 21.5, D: 48) G3/4"DN20 (L:76, D:8, H:21.5.D:48) G1'' DN25 (L: 81.5, D: 10, H: 22.55, D: 66) Working standards: The float floats in the water all the time, when the water rises, the float also rises, the float moves to the closed position, drives the piston rod, the water inlet closes, the water falls, the float also falls, the connecting rod and the butt pad open the water inlet. Package includes: 1 * Float Valve