100x piston remote control float valve is actually used in pipelines with a diameter greater than or equal to 500mm, the valve disc and piston are connected by the valve stem as a whole, and the opening and closing of the float pilot valve is used to control the up and down movement of the sensitive component piston. And to achieve the opening and closing of the main valve. The valve is safe and reliable to use, easy to debug, and has a long life.