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Hydraulic Circuit Simulator

How does the hydraulic circuit simulator work?

Drag components onto the canvas, join the ports with wires, then press Run. Shift the valve, watch the cylinder move, and see pressure, flow, power and warnings update live. Start from an example if you like.

Circuit tools

Drag a port (circle) to another port to wire it · click a wire or component to select · R rotate · Del delete · open circles are unconnected ports.

Test traces (last 20 s)

Pressure (bar)

Cylinder position (mm)

Motor speed (rpm)

Checks & warnings

    Model: lumped-parameter, incompressible-orifice flow with oil compressibility, spool dynamics, cylinder/motor inertia and friction. Hoses are treated as lossless. Results are indicative — not a substitute for component datasheets or a design review.

    Parts list for your circuit

    A generic specification worked out from your design. Our team matches it to the right parts and replies with a quotation.

    © 2026 HLA. The power unit builder and circuit simulator, including their calculations, are proprietary. Copying, scraping or reuse without written permission is not allowed.

    Questions about the simulator

    What does the circuit simulator show?

    It shows estimated pressure, flow, power and cylinder motion for the circuit you build, and warns you about problems it finds.

    Can I get a quote from my circuit?

    Yes. The simulator writes a parts list for your circuit, and the Request a quote button sends it to HLA.

    Call us Get a quote