How to determine whether the pump’s suction pipeline contains saturated liquid or unsaturated liquid
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Refer to Appendix B of SH/T3035: Flow Rate and Frictional Pressure Drop in Water Pipelines. The suction pipes of pumps are classified as either saturated liquid or unsaturated liquid, which determines the choice of flow rate, velocity, and pressure drop. So, how can one determine whether the suction pipe of a pump contains saturated liquid or unsaturated liquid in practice? I earnestly request professionals to answer my questions
It is possible to determine whether there is saturated or unsaturated liquid in the pump’s suction line by checking the temperature and pressure of the liquid. If the actual temperature of the liquid is equal to or close to its saturated temperature at that pressure, it can be considered a saturated liquid ； If the actual temperature of a liquid is lower than its saturated temperature at that pressure, then it is an unsaturated liquid. .
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