172-280K652 Hydraulic Main Control Valve Auxiliary Overflow Valve Pressure Valve Safety Valve for R220-3 R220-5 SH280 Excavators

172-280K652 Hydraulic Main Control Valve Auxiliary Overflow Valve Pressure Valve Safety Valve for R220-3 R220-5 SH280 Excavators

 Key attribute

Product profile

• Direct Fit for Your Machine: This valve group is made to fit the HD700-7 and related models. It installs without changes, so you can get back to work fast.
• Protects Your Equipment: The main relief valve and safety valve release pressure when it gets too high, preventing damage to the pump, cylinders, and other important parts. This helps you avoid expensive repairs and downtime.
• Smooth and Stable Operation: By keeping hydraulic pressure steady, it helps your machine run smoothly and respond well, even when the load changes.
• Built to Last: Made from high-quality materials, these valves are designed to handle tough digging conditions and keep working reliably over a long service life.
• Easy to Maintain: The design makes it simple to install and service, so your machine stays productive with minimal fuss.
• Good Value: You get dependable performance at a price that makes sense for your maintenance budget.

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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 reliable products and responsive support.

  We supply hydraulic pumps, gear pumps, relief valves, throttle motors, sensors, solenoid valves, regulators, wiring harnesses, and engine parts. Our products fit major brands including Komatsu, Kobelco, Hitachi, Hyundai, Doosan, Sany, XCMG, JCB, and Case. We keep over 1,000 part numbers in stock.

  Quality and delivery are controlled from raw material to finished product. Raw materials are inspected before production. Manufacturing processes are monitored in real time. Finished products must pass performance and durability tests. Every part is checked again before shipping. Common parts can be dispatched quickly.

  Our customer service helps you from inquiry to after-sales. If you are not sure about the model, we help you confirm it. If you have any problem after receiving the goods, we stay available to help you solve it. No matter the order size, we treat everyone the same. Our products are exported to more than 30 countries and regions.

GVO — Precision Components. Global Supply. Trusted Partnership.