Solenoid valve product selection considerations First of all, the output of the solenoid valve requirements. Solenoid valve to measure the fluid type is mainly gas and liquid and its temperature, viscosity, concentration, corrosion and so on. Flow rate refers to the speed of fluid flowing through the valve, the valve is the main performance indicators. Pressure (poor) is the force to be overcome when the valve is closed, the same is also the main indicator of the valve. Leakage is relative to the valve leakage index, you can use the unit of time the amount of leakage of the valve or, in some cases more suitable for gas, with a certain volume of gas in a sealed container pressure drop over time to indicate . When the solenoid valve is energized, it will generate heat, the load cycle or the maximum energized time, and the power and heat dissipation of the solenoid valve determine the temperature rise of the solenoid valve. Solenoid valve temperature and ambient temperature determines the level of insulation required for the material of the solenoid. Input different current waveform of solenoid valve, will produce different working mode. The actual application of the power type may be DC / AC, constant voltage power supply, constant current power supply, batteries, batteries, DC motors, capacitors, through a rectifier filter, voltage range, the maximum available current and other factors. Solenoid Valve Drive Circuit Protection of Control Contacts Solenoid actuated contacts can spark, wear, and create noise. Proper protection may be provided as follows: resistance & capacitance method; method of inserting a diode. Environmental conditions and life expectancy needs are important considerations in the choice of solenoid valve materials and surface treatment options. Environmental factors include: temperature, humidity, magnetic field or electric field; gas, liquid and solid pollution or corrosion, shock vibration and vibration.
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