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RITO 723-40-71800 Pressure Relief Valve 7234071800 Hydraulic Relief Valve for Excavator PC200-6 PC220-8 Pilot Control Valve

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.:

    723-40-71800
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

This 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.

723-40-71800 Pressure Relief Valve

 
Product Specifications

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

 

Key Features & Advantages


Precision

Automatic Pressure Regulation Function

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

Leak-Free

Hydraulic System Protection Mechanism

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

Direct Fitment

Stable Pilot Circuit Control Response

Ensures consistent hydraulic signal behavior for accurate machine operation.

Rigorous Testing

Heavy-Duty Construction Adaptability

 
 
 

 

Excavator Hydraulic Part

FAQ


Q: What symptoms indicate a faulty relief valve?
A: Sudden pressure spikes, weak hydraulic response, overheating, or inconsistent actuator force output.
 
QWhy is relief valve failure dangerous for excavators?
A: Without pressure control, hydraulic components may be overloaded, causing pump or cylinder damage.
 
QWhat should be checked before replacing the valve?
A: System pressure calibration, oil contamination level, and pilot circuit stability should be inspected.
 
QCan this valve improve machine operational stability?
A: Yes, it helps maintain consistent hydraulic pressure, improving overall control precision.
 
Q: What quality options are available?

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

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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