YNF17568 LJ013270 Excavator Relief Valve – Main & Sub Safety Valve

The YNF17568 / LJ013270 Relief Valve is a reliable pressure-control component used in excavator hydraulic systems. It provides stable pressure regulation for both main and secondary circuits, preventing overload and ensuring smooth machine operation. Manufactured by YNF Machinery with strict tolerance control for consistent performance.

• Accurate Pressure Control – Maintains system pressure within safe working limits.

• High-Strength Build – Designed to withstand continuous heavy-duty operation.

• Stable & Responsive – Ensures quick pressure relief and smooth hydraulic performance.

• Direct-Fit Replacement – Matches LJ013270 specifications for easy installation.

• Quality Assured – Fully tested for leakage, pressure stability, and durability.

• Designed for excavators requiring LJ013270 relief valve.

• Used in main and sub hydraulic circuits for system pressure protection.

• Free part verification—send your valve photos or machine details.

• Can supply complete hydraulic valve sets and associated components.

• Individually packed with protective materials.

• OEM-neutral or YNF-branded packaging available.

Q: Can this relief valve fit my machine?
A: Yes—send the part number or photos, and we’ll help confirm quickly.

Q: Do you offer pressure calibration?
A: Standard factory calibration is provided; custom settings can be discussed.