Time: 2025-08-22 14:50:06
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At Tonkee Machinery Co., Ltd., we understand that the power of a hydraulic excavator lies in its precision and responsiveness. A crucial component that dictates this performance is the main control valve. This intricate part is the heart of the hydraulic system, meticulously directing the flow of pressurized fluid to various cylinders and motors, enabling the machine's every movement, from digging and lifting to swinging and traveling. Without a fully functional main control valve, an excavator simply cannot operate at its peak efficiency.
The Hyundai R450LC-7, R455, R485, and R505 series of excavators are renowned for their robust construction and powerful capabilities. To maintain these high standards, the hydraulic control valve must be of the highest quality. We are proud to offer high-quality replacement main control valves, specifically designed to meet the rigorous demands of these models. These valves are engineered to restore your machine’s hydraulic system to its original factory specifications, ensuring smooth, precise, and reliable operation.
A worn or faulty control valve can lead to a host of problems, including slow response times, erratic movements, and a significant loss of power, which ultimately impacts productivity and can lead to costly downtime. By investing in a high-quality replacement valve, you are not just replacing a part; you are preserving the integrity of your entire hydraulic system and extending the operational life of your equipment. Our commitment to using superior materials and precise manufacturing processes ensures that each valve we supply provides a perfect fit and dependable performance.

Keep your Hyundai excavator running smoothly with the right hydraulic components.
| No. | Product Name | Part Number | Applicable Models |
|---|---|---|---|
| 1. | Hyundai R450LC-7 Hydraulic Control Valve | 31NB-10110 | R450LC-7 |
| 2. | Hyundai R455 Hydraulic Main Control Valve | 31NB-17110 | R455, R485, R505 |
At Tonkee Machinery, our expertise lies in providing reliable, high-quality excavator parts that help our clients maximize their machinery's performance and longevity. We are dedicated to ensuring that you have access to the components you need to keep your operations running smoothly and efficiently. Trust us for your hydraulic parts needs and experience the difference that quality makes.