Shandong Hanqi Industrial Co.,Ltd.
Shandong Hanqi Industrial Co.,Ltd.

How many ways are there to classify FRP negative pressure fans?

         Negative pressure fan is the use of air convection, negative pressure ventilation cooling principle, is a kind of installation site from the opposite direction - the door or window natural inhalation of fresh air, indoor stuffy gas quickly forced out of the outdoor, any ventilation problems can be improved machine, cooling and ventilation effect can reach 90%-97%. CAD/CAM design, with low investment costs, large air volume, low noise, low energy consumption, smooth operation, long life, high efficiency, etc., the louvers automatically start and close to achieve dustproof, waterproof, beautiful and generous; both blowing and pumping, is a better choice for modern workshop cooling and ventilation. Environmental protection, energy-saving negative pressure fan will become the mainstream of the ventilation and cooling equipment market.

          Let's take a look at the glass fiber reinforced plastic negative pressure fan can be classified according to what, what are the classification methods?
One, from the appearance of the shape of points.


          1, horn-shaped glass fiber reinforced plastic negative pressure fan, the appearance of the fan exhaust port like the shape of a horn, many people image called horn-shaped glass fiber reinforced plastic negative pressure fan.

          2, square glass fiber reinforced plastic negative pressure fan, the fan as a whole seems to be square, so called square glass fiber reinforced plastic negative pressure fan
Second, from the transmission mode points.

           1, belt type FRP negative pressure fan: belt type speed in 370-450 rpm, using six poles or four poles aluminum shell motor protection grade IP55F insulation, low speed products are relatively low noise.

          2, direct knotted glass fiber reinforced plastic negative pressure fan: direct motor mainly 12 pole 440 rpm, 10 pole 560 rpm, 8 pole 720 rpm three kinds, 12 pole motor use more, the fan with high rpm noise.

          Third, from the material of the air blade points.

          1、Aluminium alloy airfoil negative pressure fan: the airfoil is made of aluminium alloy, there are 3 leaves, 6 leaves.

           2、Engineering plastic airfoil negative pressure fan: the airfoil is made of engineering plastic material, there are 6 leaves, 7 leaves and 9 leaves.

           3、Fiberglass fan: The fan is made of fiberglass material, with 3 leaves and 6 leaves.
 
 

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