When the impeller rotates counterclockwise, and the fan outlet is at the lower right, the gas is blown horizontally, which is called 0 degrees to the left.
When the impeller rotates counterclockwise, and the fan outlet is at the lower right, the gas is blown 45 degrees obliquely upward, and is called 45 degrees to the left.
When the impeller rotates counterclockwise, and the fan outlet is on the right side, the gas is blown 90 degrees vertically upwards, which is called 90 degrees to the left.
When the impeller rotates clockwise, and the fan outlet is at the lower left, the gas is blown horizontally, which is called the right 0 degree.
When the impeller rotates clockwise, and the fan outlet is at the lower left, it is called right 45 degrees when the gas is blown 45 degrees obliquely upward.
When the impeller rotates clockwise, and the fan outlet is on the left, the gas is blown 90 degrees to the top 90 degrees.
When we determine the steering of the centrifugal fan impeller, it turns clockwise to right-handed (right) and counterclockwise to left-handed (left). The imported fan can be different. Some country logos are the opposite, when we are buying It is still necessary to check in advance.
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