DISCHARGE FLOW PASSAGE OF PRESSURE DISSOLVING DEVICE

摘要

A discharge flow passage of a pressure dissolving device simply formed and capable of fulfilling such requirements that a high dissolving efficiency must be provided. The discharge flow passage of the pressure dissolving device for dissolving air into water is characterized in that at least one reduced diameter part is formed therein and a radius or a taper is applied to at least one end part of the reduced diameter part.