Hydraulic pump symbols

Learn about hydraulic pump and motor symbols

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Hydraulic pump and motor symbols

hydraulic pump symbols

The top symbol shows a fixed displacement hydraulic pump that rotates in an anticlockwise direction when viewed onto the drive flange and drive-shaft. The black triangle shows it is a hydraulic pump and which direction the flow will go in.

If the symbol was clear it would indicate a pneumatic pump rather than a hydraulic pump.

If the symbol was reversed, as shown in the bottom image, it would indicate a motor rather than a pump. The bottom symbol also has two triangles which shows that it works in both directions.

The middle symbol has an arrow through it indicating a variable displacement pump. It also shows a case drain line coming from the side of the pump casing.

Learn more about hydraulic pumps

Pump control circuit symbols

pump load sensing circuit

Our pump training module includes details on the full range of variable displacement pump controllers.

Find more information on hydraulic pump controllers


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