hydraulic technical library

Hydraulic pumps and motors

Maintenance related articles:
Hydraulic equipment maintenance - why it's so important
Determining hydraulic pump condition using volumetric efficiency
Temperature shock of a hydraulic motor and how to avoid it
Hydraulic pump and motor case drains - filter with caution

Application guidelines and formulas:
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