SOV(8YV) 4WE6D-L6X/EG110NZ5L is a solenoid valve used in steam turbine control systems in power plants. It is mainly used to control the direction of the fluid. The position of the valve core is changed by energizing and de-energizing the electromagnet, thereby realizing the switching of the fluid. This solenoid valve plays a key role in the operation, protection and control of the steam turbine, ensuring the safe and efficient operation of the system.

1. Features of SOV(8YV) 4WE6D-L6X/EG110NZ5L

- No spring return “O”: Only available for symbols A, C and D. This version is a directional valve with two switching positions and two electromagnets without detents. When de-energized, the valve without spring return on the control slide valve has no defined basic position.

- No spring return, with detent “OF”: Only available for symbols A, C and D. This version is a directional valve with two switching positions and two electromagnets with detents. The control spool is fixed in the corresponding switching position by means of a pawl. Therefore, during operation, the better current supply to the electromagnet can be omitted, which contributes to energy-saving operation.

- Version “.73 A12″ (soft switching behavior): The composition of the control spool and the solenoid significantly reduces the number of switching strokes that occur when opening or closing the valve. The switching stroke with a measured acceleration a can be reduced by about 85% (see “Acceleration values”).

2. Precautions for installation and use of SOV(8YV) 4WE6D-L6X/EG110NZ5L

1. During installation, it should be noted that the arrow on the valve body should be consistent with the flow direction of the medium. It should not be installed in places with direct dripping or splashing. The solenoid valve should be installed vertically upward.

2. The solenoid valve should ensure normal operation within the fluctuation range of the power supply voltage of 15%-10% of the rated voltage.

3. SOV(8YV) 4WE6D-L6X/EG110NZ5L is widely used in the control system of steam turbines in power plants, including:

- Steam turbine overspeed protection system: used to control the oil flow direction to ensure that the steam turbine can be shut down in time when overspeeding, ensuring the safety of equipment and personnel.

- Steam turbine EH oil control system: installed on the high-pressure oil pipeline, returning to the oil return main pipe through the throttle hole, solenoid valve and other related control valves to ensure the normal operation of the system.

SOV(8YV) 4WE6D-L6X/EG110NZ5L plays a vital role in the control system of steam turbines in power plants. Through its high performance and reliability, it ensures the safe and efficient operation of the system. Correct installation and use of the solenoid valve can effectively improve the operating efficiency and safety of the equipment.

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