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Usually a two-position three-way solenoid valve is used with a single-acting pneumatic actuator. The two-position three-way control two positions: on-off. The three-way has three ventilation channels. Generally, one channel is connected to the air source, and the other two One passage is connected to the air inlet of the actuator, and one is connected to the air outlet of the actuator. For the specific working principle, please refer to the working principle diagram of a single-acting pneumatic actuator.
The two-position five-way solenoid valve is generally used in conjunction with a double-acting pneumatic actuator. The two-position five-way control is in two positions, that is, on-off. The five-way has five ventilation channels, one of which is connected to the air source. Two vent passages are connected to the air inlet of the outer chamber of the double-acting cylinder, and two vent passages are connected. The specific working principle of the solenoid valve of the gas water heater can refer to the working principle of the double-acting pneumatic actuator.
As far as the air circuit (or liquid circuit) is concerned, the two-position three-way solenoid valve has 1 air inlet (connected to the air source), 1 air outlet (the air source supplied to the target device), and 1 exhaust port (general A muffler is installed, so you don’t need to be afraid of noise.) The double-sided five-way solenoid valve has 1 air inlet (connected to the air source), 1 positive-acting air outlet, 1 reactionary air outlet (respectively provided to the target device with a forward and counter-acting air source), 1 positive acting Air vent and 1 reactionary air vent.
In terms of electrical performance, the two-position three-way solenoid valve generally adopts single electric control (that is, single coil), and the two-position five-way solenoid valve generally adopts double electric control (that is, double coil). The coil voltage level is generally DC24V, AC220V, etc.
2. Two-position three-way solenoid valve is divided into two types: normally closed and normally open. Normally closed water inlet solenoid valve of washing machine means that the air circuit is broken when the coil is not energized, and normally open means the air circuit is open when the coil is not energized.
