Welcome: Longyan Younaite Electromechanical Equipment Co., Ltd.
  • qiuyueyun@lyunite.com
  • Add: Room 1502, Unit 1, Building 5, No.1 Wuxing Road, Xinluo District, Longyan City, Fujian Province

Custom Hydraulic Cylinder Lock Valve

Our custom hydraulic cylinder lock valves, also known as pilot-operated check valves or holding valves, are precision-engineered hydraulic components specifically designed to provide positive, leak-tight locking for hydraulic cylinders. By preventing fluid backflow when the system is depressurized, these valves eliminate unintended cylinder drift, ensuring stable and secure positioning of loads in even the most demanding applications.

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Key Features & Customization Capabilities

1.Core Function: Reliable Cylinder Locking & Anti-Drift:The valve operates as a pilot-operated check valve, allowing free flow in one direction while sealing off reverse flow until a pilot signal is applied. This creates a positive mechanical lock that holds hydraulic cylinders in position, preventing drift caused by load pressure, system leakage, or pressure drops. We offer both single and dual pilot check valve configurations, ideal for single-acting and double-acting hydraulic cylinders respectively.

2.Full Customization Support:We provide comprehensive customization services to match your exact application requirements:

    • 2-1 Pressure & Flow: Custom pressure ratings (up to 350 bar or higher) and flow capacities to suit your cylinder specifications.

    • 2-2 Port & Manifold Design: Custom port sizes, thread types (BSPP, NPT, metric), and manifold mounting configurations for direct integration into your hydraulic circuits.

    • 2-3 Materials & Treatments: High-strength aluminum alloy or carbon steel construction, with optional anodizing, black oxide, or plating for enhanced corrosion resistance in harsh environments.

    • 2-4 Valve Configurations: Available with or without integrated solenoid control, pressure relief, or auxiliary functions to meet your system’s control logic.

      3.High Precision & Leak-Proof Performance:Manufactured with advanced CNC machining, our hydraulic cylinder lock valves feature precision-matched spool and seat components, ensuring minimal internal leakage. Each valve undergoes rigorous pressure testing, leakage testing, and functional testing to guarantee reliable performance under continuous use, shock loads, and temperature variations. The compact aluminum body design also offers excellent heat dissipation and lightweight properties.

      4.Wide Range of Applications:Our custom hydraulic cylinder lock valves are widely used in applications requiring precise load holding and anti-drift protection, including:

    • Mobile machinery (cranes, forklifts, aerial work platforms)

    • Construction equipment (excavators, boom lifts, scissor lifts)

    • Lifting and material handling equipment

    • Industrial automation presses and clamping systems

    • Any application where preventing unintended cylinder movement is critical for safety and performance.

Our Customization Process

From your initial specifications, drawings, or application requirements, our engineering team provides full support including design review, prototype manufacturing, performance testing, and mass production. We work closely with you to ensure that every custom hydraulic cylinder lock valve meets your exact performance, compatibility, and safety standards.


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Email:qiuyueyun@lyunite.com

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