1 日本三级影视,97夜夜澡人人双人人人喊女,久久99热国产这有精品

美女胸又www又黄网站_一级毛片在播放免费_美妇乳峰硕大揉捏旗袍_掀起她的裙子从后面进

^{<samp id="vdfii"></samp>}

HOME > Poultry production > Environment control > Fan > Box fan

Box fan

1. When running, the opening mechanism drives the shutters to open completely, with a small wind resistance and stable operation;

2. Imported belt is used, which has strong tensile strength; （Both brands ship at random）

3. The hot-dip galvanized sheet that meets the requirements of national standard (GB/T 2518-2008) is used, with a galvanized layer of 275 g/m2, and strong corrosion resistance;

4. The fan blade is made of 430 stainless steel, with smooth surface and without accumulated dust;

5. Flange plates are widened to improve the strength;

Download PDF Contact us >

Related Products

HNP 50 butterfly cone fan

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.

Light trap >

50 butterfly cone fan

The 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, and operates safely and reliably, which can strongly promote the air flow and ventilate and cool the space.

Light trap >

50 cone fan

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.

Light trap >