| 摘要 |
A pressure-regulated feed device for irrigation purposes comprising a body (1) having an inlet (3) on one side and an annular wall (4) on the other, engaged by a cap (6) having an outlet (13) on one side and an annular wall (5) on the other, to engage the annular wall (4) on the body and housing in a chamber (14) formed between them, a button (15) having an annular rim (16) engaging the periphery of the chamber (14) and across it a resilient membrane (10) adjacent the outlet (13), the outlet (13) having at least a groove (22) for flow control when the resilient membrane (10) is urged against it by pressure of fluid flowing through the feed device to control the flow proportionately to the pressure. |
