出铁口泥塞
Pressure tapping points on either side of the seat provide the means for flow measurement. Most Balancing Valves are globe style and incorporate a parabolic ( plug) shaped disc.
阀座两边的测压点用于流量测量。大部分平衡阀采用截止阀结合抛物线(插塞)阀瓣。
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