Difference of pneumatic valve and the electric pneumatic valve 40

. Switch forms: solenoid pneumatic valve through the coil driver, only on or off, switch action when time is short. Electropneumatic valve driver is commonly used motor, need time to open or close action of analog, can do to adjust. 。 Nature of work: solenoid pneumatic valve general circulation coefficient is very small, and the working pressure difference is very small. Such as general 25 diameter solenoid pneumatic valve flow coefficient is smaller than 15 caliber of electric pneumatic valve ball a lot. Electromagnetic pneumatic valve driven by electromagnetic coil, more easily damaged by voltage surge. Equivalent to the role of the switch is on or off a role. Electric pneumatic valve drive is commonly used motor, voltage impact resistance. Electromagnetic air valve is closed fast and fast, generally used in small flow rate and pressure, asked for a switch frequency big place electropneumatic valve and vice. Electropneumatic valve pneumatic 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 pneumatic valve can not reach the requirements. Electromagnetic general power pneumatic valve can be reset, electropneumatic valve will need to add the function of reset device. 。 Applicable process: solenoid pneumatic valve is suitable for some special technical requirements, such as leakage, fluid medium, such as special prices more expensive. Electric pneumatic valve is typically used to adjust, also has the switch quantity, such as: fan coil terminal.
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