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Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
A pressure-regulated feed device for irrigation purposes comprising a body having an inlet on one side and an annular wall on the other, engaged by a cap having an outlet on one side an annular wall on the other, to engage the annular wall on the body and housing in a chamber formed between them a button having an annular rim engaging the periphery of the chamber and across it a resilient membrane adjacent the outlet, the outlet having at least a groove for flow control when the resilient membrane is urged against it by pressure of fluid flowing there through to control the flow proportionately to the pressure.