150602080013A022 Main relief valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

150602080013A022 Main relief valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

As a core safety protection component of hydraulic systems, the 150602080013A022 main relief valve boasts four major advantages: “precise pressure regulation, fast response, high pressure resistance, and tight sealing.” It is widely used in the main hydraulic circuits of construction machinery such as excavators and loaders, undertaking the functions of overpressure protection, pressure stabilization, and unloading. Through the coordinated operation of the pilot valve and the main valve, it automatically releases oil when overpressure occurs, suppressing pressure spikes and preventing equipment damage. It has strong adaptability and is easy to install and debug.
Compared to ordinary main relief valves, this product uses high-quality materials and is precision-machined, strictly adhering to GB/T 24919 and JB/T 10684 standards. The main body is made of 20# forged steel (stainless steel can be customized), the valve core is made of hardened alloy, and the seals are made of FKM fluororubber. Manufactured through multiple processes, it has a dense, defect-free structure, is resistant to high pressure, wear, and corrosion, effectively solving problems such as inaccurate pressure regulation and seal failure, and reducing maintenance costs. Its pilot-operated structure offers high adjustment accuracy, is suitable for medium and high pressure conditions, and precisely matches the overpressure protection requirements of the main hydraulic circuit of engineering machinery.

Core technical parameters:

-Product Model: 150602080013A022
-Product Name: Main Relief Valve (Pilot-operated, for overpressure protection and pressure stabilization)
– Compatible models/scenarios: Excavators, loaders, and other construction machinery; main hydraulic circuits, hydraulic valve groups, etc. (Specifications can be verified)
– Structural type: Pilot-operated three-section concentric structure, consisting of pilot valve, main valve, etc. It automatically senses pressure, realizes overpressure relief and pressure stabilization, and the pressure can be set by adjusting the screw.
– Material Specifications: Body: 20# forged steel (304/316L stainless steel can be customized), valve core: hardened alloy, seals: FKM, surface anti-corrosion treatment.
– Dimensions: Compatible with DN25 pipes, nominal diameter 25mm, valve body length 120mm, inlet/outlet diameter 25mm, internal thread M60×2, flatness ≤0.005mm, tolerance GB/T 1804-m
– Pressure parameters: Rated pressure PN31.5MPa, maximum pressure 94.5MPa, adjustment range 2-50MPa, error ≤5%, leakage ≤0.01ml/h, response time ≤10ms
-Mechanical parameters: Rockwell hardness HRC42-47, tensile strength ≥550MPa, impact toughness ≥85J/cm², flexible valve core, precise pressure regulation.
-Environmental parameters: Operating temperature -30℃ to 120℃, adaptable to dusty, oily, and high-vibration conditions, resistant to rust, aging, and hydraulic oil corrosion.
– Machining process: Precision forging + CNC turning + precision grinding + corrosion protection + pressure adjustment, resulting in a burr-free surface and precise threads, meeting industry precision standards.
-Installation method: Threaded connection, vertical installation. Clean the interface and install according to the flow direction. Calibrate the pressure setting. Do not install forcefully or overload.
-Quality Standards: Compliant with GB/T 24919 and other standards, fully tested, accompanied by a certificate of conformity, and in compliance with hydraulic system safety regulations.
-Service life: ≥5000 hours under normal operating conditions, ≥3000 hours under high voltage and heavy load, far exceeding ordinary aftermarket products, extending system life.

Our 150602080013A022 main relief valve undergoes rigorous testing and debugging, ensuring traceable quality and reliable after-sales service. We support bulk purchasing and customization, and it is compatible with the main hydraulic circuits of various engineering machinery, making it the preferred component for the safe operation of hydraulic systems.

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