1. The surface of fan blade is smooth and not easy to accumulate dust;
2. Tensioning: The automatic tensioning device used can improve the transmission efficiency, reduce the maintenance frequency and prolong the service life of belt;
3. The air duct is divided into bell mouth and narrowed duct. The narrowed duct is selected, which is more suitable for poultry house with compact gable wall space.
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HNP 50 butterfly cone fan is used to ventilate and cool the livestock house. The closed structure of two front doors (butterfly blades) is adopted for the fan, which can be opened under the action of wind and closed under that of spring. A motor is installed in the upper left corner to improve the water resistance. The cone sheet is of the plug-in connection structure, which is convenient to assemble. The automatic tensioning device assembled can improve the transmission efficiency and prolong the service life of belt. The fan is usually fixed at the wall opening, which can strongly promote the air flow and ventilate and cool the space.
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The 50 cone fan is used to ventilate and cool the livestock house. The rear Shutter structure is adopted for the fan, which can be opened under the action of wind and closed under that of gravity. The detachable Shutter assembly is used, which is convenient to maintain. A motor is installed in the upper left corner to improve the water resistance. The mobile motor can tension the belt and prolong the service life of it. The fan is usually fixed at the wall opening, which can ventilate and cool the space.
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Box fan is used to ventilate and cool the animal husbandry farms. When the fan is started, the opening mechanism drives the shutters to open in linkage. When the power is cut off, the shutters will be closed under the action of tension springs. The operation of the fan promotes the air to flow and to ventilate and cool the space.
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