| 摘要 |
PURPOSE: To provide a paddle type water flow detector capable of easily compacting the size in the pipe axis direction compared with conventional one. CONSTITUTION: The paddle type water flow detector is provided with a check valve for allowing only flow from the primary side to the secondary side and a paddle type water flow detection part for detecting water flow by rotating the paddle receiving water flow pressure, and the paddle is arranged at the primary side of the check valve.
|
