4228354 4242176 UH07-7 Main Relief Valve Safety Valve Pressure Relief Valve Main Control Relief Valve for EX200-1 Excavator Part Construction Machinery
Excavator main relief valve
,Pressure relief valve for EX200-1
,Construction machinery safety valve
4228354 4242176 UH07-7 Main Relief Valve Safety Valve Pressure Relief Valve Main Control Relief Valve for EX200-1 Excavator Part Construction Machinery
Key attribute
|
Part name |
Travel Motor Relief Valve |
|
Model |
EX200-1 |
|
P/N |
4228354 4242176 UH07-7 |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
Product profile
- In construction machinery, the relief valve suppresses excessive pressure that could cause breakage or damage to hydraulic equipment.
- This protection is essential for maintaining equipment reliability and avoiding costly downtime.
- By preventing excessive loads from being applied to the boom cylinder, arm cylinder, and other hydraulic actuators, the relief valve helps improve the service life of critical components.
- The relief valve keeps the hydraulic system pressure at a constant level, ensuring smooth and consistent operation even during high-load working conditions.



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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 broad brand coverage.

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.

As a factory-direct supplier, we control quality and cost. Every part is inspected and performance-tested before shipment. We also help customers confirm models, ship common parts quickly, 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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