GVO 709-10-55403 Hydraulic Pump Valve Pressure Safety Main Relief Valve Control Relief Valve for PC1250-11 PC1250-8 Excavators

GVO 709-10-55403 Hydraulic Pump Valve Pressure Safety Main Relief Valve Control Relief Valve for PC1250-11 PC1250-8 Excavators

 Key attribute

Product profile

• Critical System Overload Protection As the primary safety device in the hydraulic circuit, this valve limits maximum system pressure to prevent damage to the main pump, control valves, cylinders, and hydraulic lines from pressure spikes or overloads.
• Precise Pressure Regulation Maintains stable and consistent hydraulic pressure, ensuring smooth and predictable machine performance under varying load conditions.

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  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 in Guangzhou, China, we focus on quality, speed, and consistency.

  Our product range includes hydraulic pumps, gear pumps, relief valves, throttle motors, sensors, solenoid valves, regulators, wiring harnesses, and engine parts. We are compatible with major brands like Komatsu, Kobelco, Hitachi, Hyundai, Doosan, Sany, XCMG, JCB, and Case. We keep more than 1,000 part numbers in stock to support fast order fulfillment.

  Quality is our starting point. Raw materials are inspected before production, and finished products must pass performance and durability tests. We also help customers confirm models to avoid mistakes and ship common parts quickly. Our products are exported to over 30 countries. No matter the order size, we treat everyone the same.

  GVO — Precision Components. Global Supply. Trusted Partnership.