Stacked pilot-operated check valve

3 month ago

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3 year

Product details

Stacked Pilot-Operated Check Valve

Definition and Working Principle

• Definition: A stacked pilot-operated check valve consists of multiple pilot-operated check valves with the same function stacked together, used in hydraulic systems to control the one-way flow of fluids.

• Working Principle: This valve controls the opening and closing of the valve core through hydraulic pressure. When control pressure is applied to the pilot valve, the pilot valve opens, balancing the pressure on both ends of the main valve core. The main valve core then opens under the action of media pressure, allowing fluid to pass through. When the control pressure disappears, the pilot valve closes, and the main valve core closes under the action of a spring or media pressure, preventing fluid from flowing backwards.

Structure and Characteristics

• Structure: A stacked pilot-operated check valve typically consists of components such as the valve body, main valve core, pilot valve core, spring, and throttle screw. These components are precisely machined and assembled to ensure the valve's sealing performance and reliability.

• Characteristics:

1. Stacked Design: Multiple pilot-operated check valves with the same function can be stacked together, saving space and facilitating installation and maintenance.

2. Hydraulic Control: The valve's opening and closing are controlled by hydraulic pressure, enabling remote control and automation.

3. Excellent Sealing Performance: Precision machining and assembly techniques ensure good sealing performance of the valve in the closed state, preventing fluid leakage.

4. Wide Range of Applications: Suitable for various hydraulic systems, such as construction machinery, metallurgical equipment, and ships.

Application Scenarios

Stacked pilot-operated check valves are widely used in situations requiring precise control of fluid flow. For example:

• Construction Machinery: Used to control the extension and retraction, and rotational movements of hydraulic cylinders, achieving various complex actions.

• Metallurgical Equipment: Used to control the flow and direction of molten metal, ensuring smooth production processes.

• Ships: Used to control various hydraulic equipment on ships, such as steering gears and anchor winches.

In summary, the stacked pilot-operated check valve is a one-way valve with a stacked design, hydraulic control, excellent sealing performance, and a wide range of applications. It plays an important role in hydraulic systems, providing powerful support for the normal operation of various equipment.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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3 year

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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