The difference between the electromagnetic valve and electric valve

by:AIRWOLF     2020-05-23
1, the nature of work: electric valve drive mode is commonly used motor, voltage impact resistance. Solenoid valve is closed fast and fast, generally used in small flow rate and pressure, require switching frequency bigger place of electric valve and vice. Electric valve can control the openings of the state is open, closed, half-open half closed, can control the medium inside the pipeline flow and solenoid valve can not reach the requirements. Electromagnetic valve general circulation coefficient is very small, and the work pressure difference is very small. Such as general 25 diameter solenoid valve flow coefficient of the electric ball valve smaller than 15 caliber. Solenoid valve driven by electromagnetic coil, more easily damaged by voltage surge. Equivalent to the role of the switch is opened shut 2 role. Electromagnetic valve general power outages can be reset, electric valve will need to add the function of reset device. 2, switch forms: electric valve drive is commonly used motor, need time to open or close action of analog, can do to adjust. Electromagnetic valve through the coil driver, only on or off, switch action when time is short. 3, applicable technology: electric valve is typically used to adjust, also has the switch quantity, such as: fan coil terminal. Solenoid valve is suitable for some special technical requirements, such as leakage, fluid medium, such as special, more expensive.
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