Hydraulic Power

Whenever there is flow through an orifice, there is a power consumption (or loss) which is a function of the pressure drop and the flow rate. The following data is useful in calculating the hydraulic power requirements of a system.

The hydraulic power can also be expressed in another convenient form.

Since 1 H.P. = 746 watts, the above formula can be:

The nomogram below shows this relationship.

A Lee Chek Valve such as CKRA1876005 with 400 Lohms will flow 0.35 GPM at 50 psid. At those conditions, what horsepower is lost?

Nomogram for Hydraulic Power

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