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VBPDE-FLV double pilot operated check valve with pressure 350bar hydraulic lock valve

The pilot control valve is the component that operates the main check valve. It consists of a small valve or control mechanism that is actuated by a pilot pressure. When the pilot pressure reaches a certain threshold, it overcomes the spring or opposing force on the main check valve, allowing it to open. The pilot pressure can be generated by an external source or derived from the system itself.

The pilot-operated check valve is typically used in applications where precise control of fluid flow is required. It is commonly found in hydraulic systems where it acts as a relief valve to prevent excessive pressure build-up. When the pressure in the system exceeds a pre-set limit, the pilot-operated check valve opens, allowing fluid to bypass the normal flow path and return to the reservoir or another low-pressure area. This helps protect the system components from damage caused by overpressure.

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