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PID · DUAL PUMP HYDRAULIC CIRCUIT

Dual Pump Hydraulic Circuit Diagram Examples

Designing a hydraulic system with two pumps requires clear, accurate diagrams. These dual pump hydraulic circuit diagrams show how parallel high- and low-pressure pumps supply flow to industrial and mobile equipment. They help hydraulic engineers, maintenance technicians, and system designers understand flow paths, valve placements, and pressure control.

3 EXAMPLES· UPDATED 2026-09-15
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P&ID

Dual Pump Hydraulic Circuit for Injection Molding Machine

HYDRAULICS

Dual Pump Hydraulic Circuit for Tractor Steering and Implement System

HYDRAULICS

Dual Pump Hydraulic Circuit for Two-Stage Log Splitter

ABOUT

About these examples.

Browse the examples below to see dual pump circuits for injection molding machines, tractor steering and implement systems, and two-stage log splitters. Use the diagram generator to customize any example or create your own dual pump hydraulic circuit diagram from scratch.

HOW TO

Make one yourself.

  1. 1

    Open the P&ID diagram generator

    Start a new diagram from the hydraulic circuit template or choose an existing dual pump example.

  2. 2

    Place hydraulic pumps and prime movers

    Add two pump symbols (typically high-pressure and low-pressure) and connect each to its motor or engine.

  3. 3

    Add valves, filters, and accumulators

    Insert check valves, pressure relief valves, directional control valves, and any required filters or accumulators.

  4. 4

    Connect actuators and return lines

    Draw flow lines from the pump outlets through control valves to cylinders or motors, and route return lines back to the reservoir.

  5. 5

    Label components and annotate

    Tag each pump, valve, and line with designations and pressures to complete the P&ID.

FAQ

Frequently asked questions

What is a dual pump hydraulic circuit?01
A dual pump hydraulic circuit uses two pumps, often a high-pressure low-flow pump and a low-pressure high-flow pump, to supply different parts of a hydraulic system. This configuration improves efficiency and allows separate control of high-force and high-speed functions.
Why use two hydraulic pumps instead of one?02
Two pumps can operate at different pressure and flow rates, matching load requirements more efficiently. For example, a log splitter may use a high-flow pump for fast cylinder extension and a low-flow pump for high force splitting.
How do I draw a dual pump hydraulic circuit diagram?03
Use a P&ID diagram tool with hydraulic symbols. Place two pump symbols, connect them to a common reservoir, add valves and actuators, and clearly show the flow paths. Follow the steps above to create a professional diagram.
Can I customize these dual pump hydraulic circuit examples?04
Yes, every example in this gallery is a template. Open it in the diagram generator, move components, change labels, and adjust the circuit to match your specific machine or system.
What file formats can I export the diagram in?05
The generator allows you to export your diagram as an image or PDF for documentation and sharing.
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