PURPOSE: To produce a water-level controlling valve having a float integrated with a valve body, delivering the water flowing out through an outlet port at the side face of the valve main body to the outer side direction of the upper surface of the float and capable of controlling the water level to a constant level by opening and closing the valve according to the change of the water level of a paddy field. ;CONSTITUTION: This water-level controlling valve is provided with a valve main body 1 having an inlet port 3 at the top and an outlet port 5 at the side face and placed at a part above a base 7 and a flange 6 acting as a water discharging means and placed on the outer circumference of the bottom face of the valve main body. The valve 12 is integrated with the float 10 and the valve seat 4 is closed by lifting the valve body. The direct splashing of water flowing out through the outlet port on the upper surface of the float can be prevented to prevent the accumulation of water grass. etc., in the irrigation water on the float.;COPYRIGHT: (C)1995,JPO
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