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Direct control solenoid valves normally closed
Normally closed 2-way solenoid valves with direct control Main components: body with main orifice, quill assembly + core assembly mobile (kit normally closed), coil.
The 2-way solenoid valves normally closed with direct control have an inlet fitting and a fitting for use. The mobile core, on which a seal gasket is mounted, directly opens and closes the main orifice of the solenoid valve. When the coil is not powered, the mobile core is in such a position to close the orifice not by putting the passage of the fluid.
On the other hand, when the coil is powered, the mobile core moves to a position that opens the orifice allowing the passage of the fluid.
In this family of solenoid valves, an increase in pressure causes an increase in the force required to open the valve: if the pressure difference between the supply and use is greater than the maximum value for which the solenoid valve, the latter may not open even when the coil is powered.
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