Float control valve depends on the float valve installed on the valve position changes to detect changes in water level, due to the body of a special hydraulic curve cutting shape, can be under different water conditions through the valve with a special hydraulic curve changes in the opening degree to get a Constant design flow, control accuracy of about 3-6%, the actual use of the accuracy of about 3%. The valve does not rely on electricity, automatic operation, safe and reliable. Consumption ratio is high, and environmental protection, energy saving, safe and reliable. More Keywords Search: Valve