172A47-75400 Hydraulic Pressure Control Valve Secondary Relief Valve Safety Valve Overload Relief Valve for ViO45-5B Excavators
Hydraulic pressure control valve for ViO45-5B
,Secondary relief valve with warranty
,Excavator overload relief valve safety
172A47-75400 Hydraulic Pressure Control Valve Secondary Relief Valve Safety Valve Overload Relief Valve for ViO45-5B Excavators
Key attribute
|
Part name |
Secondary Relief Valve |
|
Model |
ViO45-5B Excavators |
|
P/N |
172A47-75400 |
|
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 focus on reliability and efficiency.

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. Every part is inspected and performance-tested before shipment. Common parts can be dispatched quickly to help customers reduce downtime.

We serve distributors, construction teams, repair shops, and individual machine owners. No matter the order size, we treat everyone the same. Our products are exported to more than 30 countries and regions.
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