1.Nature of work:
The driving method of the electric valve is generally a motor, which is more resistant to voltage shock. The solenoid valve is fast open and fast closed. It is generally used in small flow and small pressure, and the electric switch is required in the place where the switching frequency is large.
The opening degree of the electric valve can be controlled, and the state is open, closed, half open and half closed, which can control the flow of the medium in the pipeline and the solenoid valve can not meet this requirement.
Solenoid valves generally have a small flow coefficient and a small difference in working pressure. For example, a general 25-caliber solenoid valve has a smaller flow coefficient than a 15-caliber electric ball valve. The solenoid valve is driven by an electromagnetic coil and is relatively easily damaged by voltage surges. Equivalent to the role of the switch, is the role of opening and closing.
The solenoid valve can be reset by general power failure, and the electric valve needs to be reset by such a function.
The drive of the electric valve is generally a motor, and the opening or closing action requires a certain amount of time to simulate, and can be adjusted.
The solenoid valve is driven by the coil and can only be turned on or off. The switching time is short.we are gate valve china,you can know it.
Electric valves are generally used for adjustment and also have a switching quantity, such as: fan coil end.
Solenoid valves are suitable for some special process requirements, such as leakage, special fluid media, etc., which are more expensive.
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