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Suction Lift (NPSHa) Calculator

Please enter your project details and the values below to calculate the suction lift required

Project:

Customer:

Contact:

Barometer Pressure (Pb): *

bar

If the suction tank is open to atmosphere this will be 1.

NPSH Required by the pump (NPSH): *

m

This figure is taken from the pump curve.

Friction loss in suction pipe (Hf): *

m

Water Temperature: *

°C

Vapour Pressure (Hv):

m

This value will be automatically calculated based on the water temperature entered above.

Safety Margin (Hs): *

m

Typically 0.5m.

Suction Lift Diagram.

Please enter your project details and the values below to calculate the suction lift required. Vapour Pressure value will be automatically calculated based on the water temperature entered. The calculated results can be printed out on paper or as a PDF

ABOUT US

Since commencing operation in the 1970’s, Pump & Valve has been dedicated to providing solutions in all fields of fluid handling.

We supply pumps, valves, packaged pump stations, oil/water separators and storm water treatment devices to all major industries in New Zealand and the pacific islands.

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