F5E3-10DM4

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F5E3-10DM4 is a type of electro-hydraulic servo proportional pressure relief valve developed from ZheJiang FudaFives Marine Equipment Co., which is installed on the stern tubes of marine vessels to prevent the engines from overloading by limiting the pressure of back flow. As a necessary part of marine vessels, it has a wide range of application fields and good working principle

Application Field

F5E3-10DM4 is a type of valve used for controlling the pressure in the stern tube of the marine vessels. This type of pressure relief valve is mainly used in medium-sized cargo ship stern tube, each ship’s propeller can be installed two of this type of valve, thereby forming a set of pressure relief system. The increased pressure detected by the pressure gauge is sent to the control room to monitor the pressure of the system, which is then ensured to reach the maximum allowable pressure. The F5E3-10DM4 electro-hydraulic servoproportional pressure relief valve is used to limit the back flow pressure and keep the back pressure of the system within a certain level. This valve can also be used for pressure measurement.

Working Principle

The F5E3-10DM4 electro-hydraulic servo proportional pressure relief valve is based on the hydraulically controlled open/close flow passed through the solenoid valve. When the pressure exceeds the set value, the system pressure signal sent to the pilot valve will open the solenoid valve, the hydraulic fluid will enter the working chamber, and the valve port will open, then the excess pressure in the stern tube will be released. When the pressure reaches the normal range, the solenoid valve will close, the hydraulic fluid will no longer enter the working chamber, and the valve port will close. Thus, the pressure in the stern tube is kept within a stable range.

In addition, the F5E3-10DM4 electro-hydraulic servo proportional pressure relief valve also has function of pilot valve reset. The pressure detected by the pressure gauge from the stern tube is sent to the pressure control valve, the pilot valve will be triggered by a preset threshold, and then the solenoid valve will act to release the excess pressure. After the relief is complete, the pilot valve can be reset through integrated reset diaphragm, thus realizing the sustainability and reliability of pressure relief process.

Conclusion

In summary, the F5E3-10DM4 electro-hydraulic servo proportional pressure relief valve is a type of valve used in stern tube of marine vessels to prevent engine overloading due to high back pressure. It has wide application fields and reliable working principle. Besides pressure relief, it also has function of pressure measurement. Moreover, the pilot valve reset can ensure the sustainability and reliability of pressure relief.

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