F745X remote-controlled floating ball valve is hydraulic type valve operation. With the function of a variety of mainly installed in the pool or elevated water tower water inlet, when the water level to set the height, close the main valve is controlled by a float valve inlet stop water supply: when water levels fall, the main valve is controlled by a float valve to open the inlet to the pool with water, automatic filling water. Level control precision, not affected by water pressure interference: diaphragm remote-controlled floating ball valve can be used on the height of the pool and space at any location, convenient maintenance, debugging, checking and reliable sealing, long service life. The diaphragm type valve is reliable, high in strength, and the movement is suitable for the pipeline under 450 caliber.