Cast Iron/Ductile Remote Control Float Ball Valve 100X

When the pipeline is fed water from the inlet end, because the needle valve, ball valve and float valve are normally open,water enters the pool through the needle valve, control room, ball valve and float valve. At this time, no pressure is formedin the control room, the main valve is opened, and the water tower (pool) is supplied.When the water rises to the set height, the float ball will be closed, Pressure rises in the main control room, push the mainvalve to close, and stop the water supply. When the water level drops, the float ball valve is reopened, then the pressuredrops, and the main valve is reopened to continue the water supply and maintain the set Liquid level.