Immediately understanding how to read “Flow Rate”




Unit: LPM ( L/min )



• Greater the pressure, greater the flow rate.

• Flow rate and pressure are not linear relationship.

• For example, the flow rate of a nozzle under 8kg/cm2 pressure is not double when it is under 4kg/cm2 pressure.




Mountain Shape


Mountain Shape



Tableland Shape


Tableland Shape



Donut Shape


Donut Shape





What else you must know about flow rate?


1. Distribution of flow rate often varies by variety of pressure.

2. Distribution shapes are for reference, they may be vary during operating.

3. Distribution will be effected by flow angle and flow rate.


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