723-30-51100 723-30-51101 Main Relief Valve Control Valve Safety Valve Pressure Valve for PC120-6 120-5 128US 128UU-1 Excavators

723-30-51100 723-30-51101 Main Relief Valve Control Valve Safety Valve Pressure Valve for PC120-6 120-5 128US 128UU-1 Excavators

 Key attribute

Product profile

• Specifically for PC120-6 (also fits PC100-6, PC130, PC150, PC200).
• Safeguards the hydraulic circuit by maintaining pressure within safe limits, preventing pump, valve, and cylinder damage.
• Stainless steel body with O-ring seal for corrosion resistance and leak-free performance.
• Manufactured to original specifications for reliable, precise hydraulic regulation.

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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. Founded in 2017 and headquartered in Guangzhou, China, we serve the global construction machinery industry with one clear focus: reliability.

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, VolvOo, Hyundai, Doosan, Sany, XCMG, JCB, and Case. With over 1,000 part numbers in stock, we can respond quickly to both common and urgent requirements.

Reliability means consistency. Customers receive the same quality, the same service, and the same honest pricing — order after order. Whether you are a distributor, a construction team, a repair shop, or an individual machine owner, no matter the order size, we treat everyone the same.

Our products are exported to more than 30 countries and regions across Asia, Africa, Europe, and the Americas. We hope to become your trusted long-term parts partner.