Suction Head affected by Altitude

Pump suction head as affected by altitude

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Suction head affected by altitude as:

Elevation above Sea Level Pressure
 		 Practical Suction Lift
(ft) (m) (psig) (ft H2O) (bar) (ft H2O) (m H2O)
0* 0* 14.71 33.95 1 22 6.7
1320 402 14.02 32.38 0.97 21 6.4
2640 805 13.33 30.79 0.92 20 6.1
3960 1207 12.66 29.24 0.87 18 5.5
5280 1609 12.02 27.76 0.83 17 5.2
6600 2012 11.42 26.38 0.79 16 4.9
7920 2414 10.88 24.13 0.75 15 4.6
10560 3219 9.88 22.82 0.68 14 4.3

* Sea Level

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  • Pumps - Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more

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