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What is the definition of the definition of the double coil

After the single coil is energized, the mechanical part of the valve core moves, and after the power is lost, the mechanical force returns to the original position. The double coil is operated after the coil 1 is energized, and the position is unchanged after the power is lost. The coil 2 is energized, and the mechanical portion is changed from the position of 1 to the position of 2, and is held after power loss.
This is generally: "three-position four-way valve" or "three-position two-way valve." Three, popularly speaking, there are three gears 1/0/2. When the coil 1 is energized, the spool hits 1 and when the coil 1 loses power, the spool returns to zero. When the coil 2 is energized, the spool is tracked 2, and when the coil 2 is de-energized, the spool returns to zero. This type of valve is very common. Chongqing SANO technology is doing very well!
Features
Hanlka technology pulse control, energy efficient, flexible opening and closing
Open and close the self-locking to maintain a variety of structures, long life
Application range
Aerospace, military, nuclear industry, shipbuilding, petrochemical, electric power, energy, urban heating, gas supply and other intelligent automatic control systems
working principle
Self-locking and self-holding, double coil control, the upper coil is used to open, the side coil is used to close, only a pulse signal of the corresponding coil is needed, and the instantaneous working state can ensure the required working state, and the energy consumption is low. The flow is sufficient and the service life is long.
Fluid type: water, gas, oil, steam, gas, carbon dioxide, liquid nitrogen, liquid oxygen, etc. Fluid temperature: -200 ° C -350 ° C
Circulation diameter: DN20-DN600 Ambient temperature: -20°C-+80°C (special system: -40°C-+120°C)
Body material: brass, cast iron, carbon steel, stainless steel Working pressure: -0.1-235MPA
Rated voltage: AC220V--DC24V Other options: E explosion-proof type, X signal feedback, V vertical installation

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