The hydraulic power unit (HPU) is used as the oil supply unit, which is connected with several Hydraulic cylinder Connected to control the action of multiple groups of valves. The oil tank, oil pump and accumulator form an independent closed power oil source system.

The oil station can be equipped with a PLC control system, which controls all internal hydraulic functions and generates signals to exchange with the control room (DCS).

Control elements such as hydraulic servo valve are directly installed on the hydraulic cylinder, through which high-pressure oil pressure is fed into or discharged from the cylinder.

Under normal conditions, the oil pump supplies oil to the system, automatically maintains the rated pressure of the system, and realizes the position keeping function of the valve at any position through the locking of the control valve; The hydraulic actuator is controlled by Solenoid valve The system command signal makes the solenoid valve act, controls the oil pressure and the energy release of the accumulator, then controls the cylinder slide valve, drives the valve through the mechanical transmission mechanism, and implements quick closing, normal opening and closing and test control. High pressure cylinder The manufacturer can fix it on the valve rod or directly use it as an actuator.

The surplus hydraulic oil returns to the hydraulic oil station, so that the pipeline system can control several valves connected in parallel with one oil inlet pipe and one oil return pipe.

This kind of Hydraulic station It is used to control the actuator action of main steam valve and turbine bypass system.

The power unit is optimized for various applications, such as truck operation in harsh environments, heavy load handling for a long time, and other occasions where high-performance and high-quality products are required.

This has created a very diverse platform, using standard components, Oil cylinder manufacturer The ability to handle most of the application conditions required by the market is that the customer's inventory of hydraulic components is reduced to a small extent, and the workload of non-standard design is greatly reduced.