60100487Distributor Negative Control Valve Negative Feedback Valve Swing Priority Valve for SY215 225 235 285 335 CLG922 925 936

60100487Distributor Negative Control Valve Negative Feedback Valve Swing Priority Valve for SY215 225 235 285 335 CLG922 925 936

 Key attribute

Product profile

• Precise Negative Flow Control – As a negative feedback relief valve, it senses pressure changes in the neutral return circuit and creates a negative feedback signal to automatically adjust main pump displacement. When no operation is performed, system pressure rises, and the feedback signal reduces pump displacement to minimum, significantly lowering energy loss and system heat generation for idle fuel savings.

• Swing Priority Function – During combined operations of swing with boom or arm, the valve prioritizes hydraulic flow to the swing motor. This prevents oil from flowing excessively to low-pressure actuators and ensures coordinated, responsive compound movements.

• Pressure Balance & Overload Protection – The valve provides pressure balance and quickly relieves system overpressure, preventing hydraulic components from damage due to overload and ensuring safe, stable operation.

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GVO Value

  Guangzhou GVO Precision Hydraulic Co., Ltd. is a professional manufacturer and exporter of hydraulic components, electrical systems, and engine parts for excavators. Founded in 2017 and headquartered in Guangzhou, China, we work closely with customers worldwide to keep their machines running.

  We supply hydraulic pumps, gear pumps, relief valves, throttle motors, sensors, solenoid valves, regulators, wiring harnesses, and engine parts. Our products are compatible with Komatsu,  Kobelco, Hitachi, Hyundai, Doosan, Sany, XCMG, JCB, and Case. With over 1,000 part numbers in stock, we can meet both common and urgent needs.

  We are a factory-direct supplier, so we control quality and cost. Every part is checked and performance-tested before shipment. If you are not sure about the model, we help you confirm it. If you have any problem after receiving the goods, we stay available to help. Whether you are a distributor, construction team, repair shop, or individual owner, we treat everyone the same. Our products are exported to over 30 countries.

  GVO — Precision Components. Global Supply. Trusted Partnership.