Atlas Copco 2230004015

Atlas Copco 2230004015，Load solenoid valve: 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. For example, the load solenoid valve of Ingersoll Rand achieves this function through PLC instructions. Safety relief solenoid valve: 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 the system pressure drops to a safe range. 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 the motor from starting under load, causing overload; when starting, it closes the pressure relief channel to allow compressed air to be normally filled into the air tank. For example, the safety relief solenoid valve of Fuxinair air compressors indirectly regulates the movement of mechanical devices by controlling the opening and closing of the oil circuit.