GVO 172A64-74480 Hydraulic Pressure Control Valve Secondary Relief Valve Safety Valve Overload Relief Valve for Vio17 Excavator
GVO 172A64-74480 Hydraulic Pressure Control Valve Secondary Relief Valve Safety Valve Overload Relief Valve for Vio17 Excavator
Key attribute
|
Part name |
Secondary Relief Valve |
|
Model |
Vio17 Excavator |
|
P/N |
172A64-74480 |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
Product profile
- Direct Fit: Designed for Doosan DH55 and related models. Installs without modification, getting your machine back to work fast.
- Critical Pressure Protection: Acts as a safety valve, releasing excess pressure before it can damage the pump, cylinders, swing motor, or hydraulic lines. Helps you avoid costly repairs and downtime.
- Smooth, Stable Operation: Keeps hydraulic pressure steady under changing loads, so digging, lifting, and swinging feel consistent and predictable.




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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 are a global supplier of excavator parts.
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.

We serve customers in more than 30 countries and regions across Asia, Africa, Europe, and the Americas. No matter the order size, we treat everyone the same

Precision Components. Global Supply. Trusted Partnership.
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