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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Product details

Hydraulically Controlled Check Valve

The Hydraulically Controlled Check Valve is a special type of check valve. Here is an introduction to its specific content:

I. Main Function

The Hydraulically Controlled Check Valve allows liquid to flow freely in one direction, while reverse flow is achieved through hydraulic control. This makes the Hydraulically Controlled Check Valve widely used in hydraulic systems, such as for maintaining pressure and preventing sudden load drops.

II. Structure and Working Principle

The Hydraulically Controlled Check Valve mainly consists of a valve body, valve spool, control piston, and spring. Its working principle is based on the difference in liquid flow and pressure:

• When liquid flows towards the valve body, the valve spool moves forward, allowing the liquid to pass through the valve body and enter the outlet smoothly. At this point, the state of liquid flow is similar to there being no obstruction between the valve spool and valve body.

• When liquid needs to flow in the reverse direction, the control piston applies pressure, causing the valve spool to move and change its position, thereby allowing liquid to flow in the reverse direction. During this process, the spring force balances with the liquid pressure, keeping the valve spool in the closed or open state.

III. Application Fields

Hydraulically Controlled Check Valves are widely used in multiple fields, including but not limited to:

• Engineering Machinery: Such as tower cranes and excavators. By controlling the fluid flow in the hydraulic system, they ensure the safe operation and precise manipulation of equipment.

• Hydraulic Supports: In mining and construction, hydraulic supports are crucial equipment for ensuring workplace safety. Hydraulically Controlled Check Valves in hydraulic supports are mainly used to achieve the locking and supporting functions of cylinders.

• Hydraulic Systems: Especially in high-pressure systems, the one-way sealing of Hydraulically Controlled Check Valves can prevent hydraulic cylinders from sliding down due to their own weight when stopped.

• Pressure Maintaining and Relief Circuits: By controlling pressure, they reduce the impact during pressure relief and improve system stability.

In addition, Hydraulically Controlled Check Valves are also commonly used for cylinder support and locking, large-flow oil drainage, and oil filling.

In summary, the Hydraulically Controlled Check Valve is a powerful and widely used hydraulic component. Its unique working principle and structural characteristics play an important role in hydraulic systems.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

3 year

Address: Ningbo, China

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

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