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Sunday, October 9, 2011

Horse Power of Hydraulic Pump

Hydraulic pumps are one of the important components that hydraulic machinery have. The various hydraulic fluids such as oil and water are supplied to the hydraulic machinery with the help of a hydraulic pump. Basically, a hydraulic pump is the main tool needed in order for hydraulic machinery to work.



The formula to calculate the horse power of hydraulic pump can use the formula as follows:
Horse power can be expressed as Php ,

Php = q x p/1714

Php = horsepower (HP)
q = required pump capacity (gpm)
p = required pressure (psi)
  • 1 gpm (US) = 6.30888 x 10-5 m3/h = 0.06309 dm3 (liter)/s = 2.228x10-3 ft3/s = 0.1337 ft3/min = 0.8327 gpm (UK)
  • 1 psi (lb/in2) = 144 psf (lbf/ft2) = 6,894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 6.895x10-2 bar
  • 1 hp = 745.7 W
As an example how to calculate the horsepower needed as follow:

Power required by a a pump with 20 gpm capacity and 1500 psi pressure can be calculated as
PHP = 20 (gpm) 1500 (psi) / 1714
= 17.5 HP
Posted by Adi Grahito

2 comments:

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October 18, 2011 9:10 AM
Harvnder Singh said...

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February 22, 2012 11:44 PM

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