GVO 72117668 85811946 Main Relief Valve OverLoad Relief Valve Safety Valve Control Valve for Excavator 570 580 590 695 Excavator
Excavator Main Relief Valve
,Overload Safety Control Valve
,Relief Valve for 570 580 590
GVO 72117668 85811946 Main Relief Valve Overload Relief Valve Safety Valve Control Valve for Excavator 570 580 590 695 Excavator
Key attribute
|
Part name |
Main Relief Valve |
|
Model |
570 580 590 695 Excavator |
|
P/N |
72117668 85811946 |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
Product profile
- Critical Pressure Protection: The valve releases pressure when it gets too high, preventing damage to the pump, cylinders, travel motor, and hydraulic lines. If a relief valve is not provided, high hydraulic pressure can damage hydraulic cylinders, piping, and other components. This valve relieves excess pressure in time to protect the machine and equipment.
- Smooth and Stable Operation: By balancing the hydraulic flow entering and leaving the hydraulic cylinder, it helps control the balance of lifting and telescopic movement, making machine operation more stable and responsive. It keeps system pressure steady under different loads and working conditions.




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We are a professional manufacturer and exporter of hydraulic components, electrical systems, and engine parts for excavators. Founded in 2017 and headquartered in Guangzhou, China, we serve the global construction machinery industry with reliable products and responsive support.

We supply hydraulic pumps, gear pumps, relief valves, throttle motors, sensors, solenoid valves, regulators, wiring harnesses, and engine parts. Our products are compatible with major excavator brands. Over 1,000 part numbers are kept in stock.

As a factory-direct supplier, we control quality and cost from raw material to finished product. Every part is inspected and performance-tested before shipment. We help customers confirm models, avoid wrong purchases, and ship common parts fast.

Our products are exported to more than 30 countries and regions across Asia, Africa, Europe, and the Americas. No matter the order size, we treat everyone the same.
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