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XKBF-01291 Main Relief Valve For Hyundai Robex Excavator R140LC-9 R210LC-9 R220LC-9
Engineered for Hyundai excavators, this relief valve provides accurate pressure regulation within hydraulic systems. It helps protect critical components from overpressure damage, ensuring smoother and more stable machine operation. The valve features a robust design with high-grade materials, offering excellent resistance to wear and frequent pressure changes. Its consistent performance supports extended hydraulic system life and reduces downtime. With straightforward installation and reliable functionality, this valve is a key component for maintaining peak performance in Hyundai equipment.
XKBF-01291, also marked XKBF01291, is the main relief valve engineered for Hyundai excavator hydraulic systems. It is commonly mounted on the main hydraulic pump or main control valve block. This critical hydraulic component sets and caps the maximum operating pressure of the entire hydraulic circuit, protecting pumps and valve assemblies from overload damage during heavy digging and loading cycles.
| Item | Details |
|---|---|
| OEM Number | XKBF-01291 (XKBF01291) |
| Part Type | Main Relief Valve / Main Safety Valve |
| Core Function | Limits the maximum hydraulic system pressure to prevent overload damage |
| Installation Position | Main hydraulic pump or main control valve block |
| Condition | New Aftermarket |
| MOQ | contact us |
Compatible Models
Robex -9 / -9S / -9A Series
Small & medium excavators: R110-7, R140LC-9, R140W-9, R145CR-9, R160LC-9, R170W-9, R180LC-9 Medium & large excavators: R210LC-9, R220LC-9, R260LC-9S, R290LC-9, R300LC-9S, R330LC-9S
HX / HW New Generation Series
Track excavators: HX140L, HX160L, HX180L Wheel excavator: HW140
FAQs
Q: What is the purpose of XKBF-01291 main relief valve?
A: It controls the upper pressure limit of the whole hydraulic system. When system pressure exceeds the preset threshold, the valve opens to release excess pressure and safeguard hydraulic components against overload failure.
Q: Where do you install this Hyundai main relief valve?
A: It can be fitted on the main hydraulic pump or the main control valve block of compatible Hyundai excavators.
Q: What are the typical failure symptoms of a faulty main relief valve?
A: The machine will show overall hydraulic weakness. All boom, arm, bucket and travel movements become slow and lack power. Under heavy load, the machine may stall or stop moving entirely. Abnormal hydraulic oil temperature rise is another common warning sign.
Q: What causes the main relief valve to fail?
A: Internal wear, spring fatigue, or spool stuck by metal debris and contaminants in hydraulic oil are the primary causes, which will trigger pressure loss across the whole machine.
XKBF01291-main-relief-valve
XKBF01291 Relief Valve For Hyundai
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