Atlas Copco 2907012200

Atlas Copco 2907012200，Load the solenoid valve, which is usually a two-position three-way normally closed valve. When powered on, it allows compressed air to enter the cylinder pipe of the intake valve from the oil-gas tank, opening the intake port; when powered off, it cuts off the air path and discharges the air in the cylinder, closing the intake port. Release the solenoid valve, which is mostly a two-position two-way normally open valve. When the air compressor is unloaded or shut down, it is powered off, releasing the gas in the oil-gas tank to the intake filter to ensure that the system pressure drops to the safe range. Pressure relief and start-up protection: In small air compressors, the solenoid valve connects the cylinder outlet to the outside when the machine is shut down to release residual pressure and prevent overload due to the motor starting under load; when starting, it closes the pressure relief channel to allow compressed air to be normally filled into the air tank.