60292571 Locking Valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

60292571 Locking Valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

As a core safety locking component of hydraulic systems, the 60292571 locking valve boasts four major advantages: stable locking, tight sealing, impact resistance, and prevention of accidental operation. It is widely used in the hydraulic circuits of construction machinery such as excavators and cranes, undertaking the role of locking the position and maintaining the pressure of cylinders and motors. It consists of a bidirectional locking circuit composed of dual hydraulically controlled check valves. The automatic closure of the directional valve in the middle position achieves bidirectional locking, effectively preventing heavy objects from slipping and avoiding safety hazards. It also features a pre-unloading function to mitigate impact, is easy to install, and meets the safety requirements of high-pressure working conditions.
Compared to ordinary locking valves, this product uses high-quality materials and is precision-machined, strictly adhering to relevant industry 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 sealing parts are made of FKM fluororubber. It is manufactured through multiple processes, resulting in a dense structure, a compact stacked design, low pressure loss, high pressure resistance, wear resistance, and rust resistance. It solves problems such as locking failure and leakage, reduces maintenance costs, is suitable for medium and high pressure conditions, and balances safety and practicality.

Core technical parameters:

-Product Model: 60292571
-Product Name: Locking Valve (Dual-Hydraulic Controlled Check Valve, for Hydraulic Locking and Pressure Holding)
– Compatible models/scenarios: Excavators, cranes, and other construction machinery; hydraulic cylinders and motor control circuits (specifications available for verification).
– Structure type: Dual hydraulic control check valve combination (hydraulic lock), stacked design, bidirectional locking, with pre-unloading function, reliable automatic locking and reset.
– 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 DN20 pipes, nominal diameter 20mm, valve body length 100mm, inlet/outlet diameter 20mm, internal thread M56×2, flatness ≤0.005mm, tolerance GB/T 1804-m
– Pressure parameters: Rated pressure PN31.5MPa, maximum pressure 94.5MPa, control pressure 3.5-4.5MPa, 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 locking.
– Environmental parameters: Operating temperature -30℃ to 120℃, adaptable to dusty, oily, and high-vibration working conditions, rust-resistant and anti-aging.
– Machining process: Precision forging + CNC turning + precision grinding + corrosion protection + pressure adjustment, resulting in a burr-free surface and precise threads.
-Installation method: Threaded/overlapping connection, vertical installation, install according to flow direction, clean the interface, do not force installation or overload.
-Quality Standards: Compliant with GB/T 24919 and other standards, fully tested, accompanied by a certificate of conformity, and meets safety regulations.
-Service life: ≥5000 hours under normal operating conditions, ≥3000 hours under high pressure and heavy load, far exceeding that of ordinary aftermarket products.

Our 60292571 locking 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 hydraulic locking circuits for various engineering machinery, making it the preferred component for the safe operation of hydraulic systems.

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