LP07

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LP07 application field

LP07 is a hydraulic pressure control valve with large flow capacity and high pressure. It is mainly used in the control of hydraulic systems and as an auxiliary control element in various engineering machinery and equipment. A variety of applications either as a pilot valve, as a parallel compensated flow, throttle or interlock for pressure reducing valves. LP07 pressure control valves can be used in applications such as oil pipe control systems, machine tool control systems, circulating oil pipelines, material handling systems, and general industrial control systems.

Working Principle

The LP07 pressure control valve is a balanced one-way spool valve, which is suitable for retraction and opening operations and offers excellent control characteristics. It is composed of a valve core, a valve body, a coil spring and a binding mechanism. The spool movement is driven by the hydraulic pressure difference from both sides of the valve, and the force of the spring to balance the dynamic load. To ensure good control performance, LP07 uses a precise combination of the spring effect, the area ratio of the two ports and the force feedback generated by the dynamic load.

When the LP07 pressure control valve is working, the pressure of the upstream side is applied to the surface of the poppet on the left side, and the pressure of the downstream side is applied to the surface of the poppet on the right side, so that the spool is pushed to the left or right, which changes the area ratio of the two ports. Thus, the flow rate of the valve is adjusted by controlling the position of the spool. When the valve is closed, the spool is pushed to the right by the spring force, and the oil flows into the tank through the grooves on the spool.

In addition, LP07 pressure control valves are equipped with a binding mechanism to limit the longitudinal movement of the spool and protect the valve core. The degree of protection can be adjusted according to the user\'s requirements. In general, when the pressure difference is low, the binding force is large, and when the pressure difference is large, the binding force is small to ensure the smooth control action of the valve.

In short, LP07 pressure control valves have a wide range of application in hydraulic systems, with excellent control characteristics, providing a reliable and energy-efficient control system for various engineering machinery and equipment.

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