709-10-55403 709-10-55402 Hydraulic Pump Valve Pressure Safety Main Relief Valve Control Relief Valve for PC1250-8 1250-7 1100-6
Hydraulic pump relief valve for PC1250-8
,Excavator pressure safety valve
,Main relief valve with warranty
709-10-55403 709-10-55402 Hydraulic Pump Valve Pressure Safety Main Relief Valve Control Relief Valve for PC1250-8 1250-7 1100-6
Key attribute
|
Part name |
Main Relief Valve |
|
Model |
PC1250-8 1250-7 1100-6 |
|
P/N |
709-10-55403 709-10-55402 |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
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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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 our headquarters in Guangzhou, China.

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.

We are a factory-direct supplier, which means no middlemen, competitive prices, and controlled quality. Every part is checked and tested before shipping. We also provide model confirmation, fast shipping for common parts, and after-sales support. Whether you are a distributor, a construction team, a repair shop, or an individual machine owner, we treat everyone the same. Our products are exported to more than 30 countries.

GVO — Precision Components. Global Supply. Trusted Partnership.
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