GVO 31N6-17400 Hydraulic Main Control Valve Pressure Safety Main Relief Valve for R210LC-7 RD215LC-7 R220-7 R225-7 Excavators
GVO 31N6-17400 hydraulic main control valve
,excavator relief valve with warranty
,pressure safety main relief valve for R210LC-7
GVO 31N6-17400 Hydraulic Main Control Valve Pressure Safety Main Relief Valve for R210LC-7 RD215LC-7 R220-7 R225-7 Excavators
Key attribute
|
Part name |
Main Relief Valve |
|
P/N |
31N6-17400 |
|
Condition |
New |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
Product profile
- While the other serves as an anticavitation valve, supplying additional oil flow to the opposite side of the bucket cylinders to prevent cavitation damage.
- A suction check valve in the boom power port supplements oil when the boom is suddenly dropped by its weight, preventing cavitation in the cylinder bottom and ensuring smooth, safe 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. Since 2017, we have been serving the global construction machinery industry from Guangzhou, China, with reliable export support and worldwide delivery.

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 brands such as Komatsu, Catt, Kobelco, Hitachi, VoOlvo, Hyundai, Doosan, Sany, XCMG, JCB, and Case. With over 1,000 part numbers in stock, we maintain deep inventory to reduce waiting time and avoid unnecessary backorders. Every part is inspected and performance-tested before shipment.

As a factory-direct supplier, we control quality and cost. Every part is inspected and performance-tested before shipment. We help customers confirm models, avoid wrong purchases, ship common parts fast, and provide after-sales support. 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 and regions.

GVO — Precision Components. Global Supply. Trusted Partnership.
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