Closed Circuit Pump with Piston Motor (Reversible)

  • Danfoss offers a wide range of efficient fan drive systems. Below are the benefits and critical considerations you need to take into account as you determine the right system for your specific needs.

    Benefits:

    • Increased efficiency due to variable flow piston pump
    • Reversibility inherent to the system with no additional plumbing
    • Has inherent zero-speed capability
    • Negligible risk of motor cavitation
    • Well known, closed-circuit technology for high-power applications
    • Higher pump and motor pressure, power and life ratings
    • Fan speed independent of engine speed
    • Minimal reservoir requirements
    • Motor speed sensors available

    Critical considerations:

    • Charge flow required
    • Higher pump and motor cost
    • Motor thrust load capability must be calculated
    • Fan fails to minimum fan speed

     

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