| 摘要 |
A valve device according to an embodiment of the present invention comprises: a valve body providing a passage in which fluid that enters through a first inlet flows to an outlet, and a passage in which fluid that enters through a second inlet flows to an outlet; a stem inserted in the valve body and controlling the flow of fluid passing through the valve body according to the angle of rotation thereof; and a controller attached to the stem to control the flow of fluid between the first inlet and the second inlet, wherein the flow of fluid can be precisely controlled. |
