| 摘要 |
<p>PURPOSE:To prevent equipment from being in a redundant state, to reduce a cost, and to suppress the generation of vibration and noise in a reducer disposed in a stage right preceded by a pressure reducing valve. CONSTITUTION:Members 1 and 2 having a plurality of holes la and 2a formed such that the holes are formed in a protrusion shape in the direction of the flow of fluid and a hole diameter is increased from the center of a pipe toward a periphery are located downstream from a pressure reducing valve and at a stage right preceded by a reducer 3 and in the reducer 3.</p> |
