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CAT312,CAT315 Main Relief Valve
CAT312,CAT315 Main Relief Valve
Main Relief Valve for CAT312 & CAT315 Excavators
This main relief valve is a premium hydraulic spare part crafted by Ningbo Longerfa—an expert in high-quality excavator main/auxiliary relief valves.
It delivers precise pressure regulation, effectively handling the hydraulic system demands of CAT312/CAT315 to prevent overpressure, thus safeguarding pumps, cylinders and other key components. Made from high-grade material, it undergoes strict heat treatment and precision machining, paired with leakage and endurance tests, ensuring strong wear/corrosion resistance and long service life.
Backed by Ningbo Longerfa’s hydraulic expertise and after-sales support, this valve is a trusted choice for CAT312/CAT315 owners, maintenance teams and distributors seeking quality, compatibility and durability.