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# Boiling Liquids - Max Pumping Flow Velocities

## Recommended max flow velocity on the delivery (pressure) side when pumping boiling liquids.

As a rule of thumb - max recommended velocities on the delivery sides when pumping boiling liquids:

Boiling Liquids - Max Pumping Flow Velocities
Pipe DimensionsBoiling Liquids
inchesmmm/sft/s
1 25 1 3.5
2 50 1.1 3.6
3 75 1.15 3.8
4 100 1.25 4
6 150 1.5 4.7
8 200 1.75 5.5
10 250 2 6.5
12 300 2 6.5

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## Citation

• The Engineering ToolBox (2003). Boiling Liquids - Max Pumping Flow Velocities. [online] Available at: https://www.engineeringtoolbox.com/pump-delivery-flow-velocity-boiling-fluid-d_234.html [Accessed Day Month Year].

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2.27.11