Hydraulic system overload and unstable actuator force are often caused by inconsistent pressure regulation inside the relief circuit, leading to reduced machine control accuracy and increased component stress. 723-40-71800 pressure relief valve is designed for Komatsu PC200-6 and PC220-8 excavators, maintaining controlled hydraulic pressure levels within the pilot control system.
Item NO.:
723-40-71800Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSThis valve is engineered to automatically release excess hydraulic pressure when system load exceeds preset limits, protecting pumps, cylinders, and control valves from overload damage. It is widely used in hydraulic system maintenance, safety circuit restoration, and excavator performance stabilization under continuous working conditions.

| Part Number | 723-40-71800 |
|---|---|
| Part Name | Pressure Relief ValveGear Pump |
| Compatible Brand | Komatsu |
| Applicable Models | PC200-6 / PC220-8 |
| Application | Excavator |
| Material | High-Strength Alloy Steel |
| Product Color | Industrial Metallic |
| Working Temperature | -35°C to 120°C |
| Key Function | Hydraulic pressure limitation and overload protection |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Maintains hydraulic system stability by releasing excess pressure under overload conditions.

Reduces risk of pump and cylinder damage caused by sudden pressure spikes.

Ensures consistent hydraulic signal behavior for accurate machine operation.


FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
Leave A Message
Scan to wechat :