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The duct fan classification and principles

That duct fan, is the use of high-speed rotation of the gas pressure to achieve the effect of gas transportation. Duct Fan widely used in industry, real estate buildings, indoor ventilation or duct pressure.
Duct fan classification:
duct fan is generally divided into: round and square pipes fan duct fan.
Circular duct fan housing is cylindrical, it is a perfect combination of performance and appearance of the ideal ventilation; with easy installation, light weight, low noise exhaust fan. characteristics. Square duct fan housing is square, and its internal structure is similar to circular. ventilation fan
Action principle
Circular duct fans, for example: circular duct fan with the wing-shaped tilt wheel, high-speed operation to maximize the hydrodynamics of gas, so energy efficiency is very high, up to 70%, meaning that the minimum motor power largest wind transport, which is ordinary forward centrifugal fans can not be achieved. Therefore, both energy and wind turbine piping. Ultra-high pressure can take tens of meters of piping centralized ventilation duct fans main characteristic is pressure. Replacing the traditional ventilation equipment. Fans no vibration, balancing value is less than 0.17g, only the superior quality of such standards in order to ensure the value of the fan, imported metal impeller supporting or PP plastic infusion made in accordance with the wing, which is characterized by rigidity, high temperature, environmental protection, air volume large, and can reduce noise while hong Guan motor Co., Ltd. is located in Shenzhen Longhua District Mission, construction area of 8,000 square meters, is a full line of AC duct fans fan, brushless DC fan and ultra low noise devices to some extent R & D, manufacturing, sales and service in one enterprise.