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泵需要的净正吸入压头估算

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Selected 泵, 压头.
  • 泵
  • 压头
  • 泵
  • 压头
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 计算依据:HG/T 20570.5-95
泵需要的净正吸入压头估算
名称 单位 公式/来源 值
1 输入
2  泵的转速,n r/min 600
3  泵的设计流量,Vd m³/min 50
4  泵的吸入比转速,S (m³/min)·(m)·(r) 1200
5 结果
6  泵需要的净正吸入压头,NPSHr m 1 5.386086725
注:应尽量采用泵制造厂给出的NPSHr,当泵制造厂无法提供时,可按本表估算。
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