| 摘要 |
<p>A flow rate measurement valve calculates the flow rate of the fluid flowing in a valve body from the differential pressure of the fluid pressure in a flow route upstream from a valve element arranged in the valve body and the fluid pressure in a flow route downstream from the valve element. The downstream fluid pressure is detected without the influence of dynamic pressure by detecting the pressure of fluid stopped in a fluid stagnation part formed in part of the flow route downstream from the valve element. The downstream fluid pressure is measured through a downstream fluid pressure conduction route that passes through an inner peripheral surface of the valve body facing the fluid stagnation part and an outer peripheral surface of the valve body where a downstream fluid pressure detection means is mounted.</p> |
