hydraulic technical library

Hydraulic pumps and motors

Useful power in a hydraulic system is a product of flow and pressure, minus inefficiencies. When selecting a hydraulic pump and/or motor for a specific application the relationships between flow, displacement, speed, torque and pressure, and the influence of inefficiencies must be considered. This document explains how to size a hydraulic pump or motor for a particular application.

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"This book has the potential to save many organizations lots of money. It should be on the bookshelf of every engineer, supervisor, planner and technician that deals with hydraulic equipment... it's worth its weight in gold." Find out more

Alexander (Sandy) Dunn
Plant Maintenance Resource Center