| 摘要 |
<p>A fluid flow direction display device fitted to a joint or a pipe used as a fluid guide pipe and used to observe, from the outside, whether a fluid flows in the fluid guide pipe or not and, when the fluid flows therein, its flowing direction. A display member (31) is axially movably fitted to the fluid guide pipe, and a spring force is applied to the display member (31) by a spring member (34) in the direction of a neutral position. A display window (35) for exposing the display member (31) to the outside is formed in the fluid guide pipe. Also, a neutral position display part (36) exposed to the outside through the display window (35) when the display member (31) is at the neutral position, a forward direction display part (36a) exposed to the outside through the display window (35) when the display member (31) is positioned in a forward direction by the flow of the fluid, and a reverse direction display part (36b) exposed to the outside through the display window (35) when the display member (31) is positioned in the reverse direction by the flow of the fluid are installed on the display member (31).</p> |
