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Product showcase of A4VG180 hydraulic pump compatible with hydraulic servo valves

Hydraulic Pump Control Valve
December 22, 2025
Category Connection: Hydraulic Pump Control Valve
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Tags:
#hydraulic pump valve control #pump control valve #proportional control valve
Brief: Watch the demo to catch practical tips and quick performance insights. This video showcases the A4VG180 hydraulic pump control valve, demonstrating its compatibility with Rexroth hydraulic servo valves. You'll see how it integrates pressure cut-off, flow regulation, and load feedback for heavy-duty mining dump trucks, providing stable pressure and flow in high-pressure working scenarios.
Related Product Features:
  • Features closed-loop hydraulic servo control for Rexroth A4VG series swashplate axial piston pumps.
  • Integrates pressure cut-off, flow regulation, and load feedback functions with pilot hydraulic control.
  • Offers stepless displacement adjustment from 0 to Vgmax, accurately matching pump operating conditions.
  • Provides stable pressure and flow for hydrostatic transmission with a rated pressure of 400bar.
  • Has a fast pressure cut-off response time of ≤100ms and low energy consumption.
  • Uses an integrated design to reduce pipeline connections and leakage risks.
  • Constructed with a ductile iron valve body for high-pressure resistance and wear resistance.
  • Features strong anti-pollution ability and is suitable for ISO 46 anti-wear hydraulic oil.
FAQs:
  • What pump models is this control valve compatible with?
    This hydraulic pump control valve is 100% compatible with Rexroth A4VG series pumps, specifically models A4VG90, A4VG125, A4VG180, and A4VG250.
  • What are the key applications for this pump control valve?
    It is mainly used in construction machinery like excavators and cranes, mining machinery such as roadheaders and dump trucks, agricultural machinery including large tractors, and heavy-duty vehicle hydraulic systems for closed-loop, high-pressure hydrostatic transmission.
  • How do I troubleshoot if there is no displacement adjustment?
    If there is no displacement adjustment, check the pilot pressure and clean any impurities from the valve core to restore proper function.
  • What is the operating temperature range for this valve?
    The operating temperature range for this hydraulic pump control valve is -20℃ to 80℃, with a short-term capability of up to 100℃.
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