Ventilation Fan
Blades
we use mirror face stainless steel blades
all the blades have gone through the balance test, which will make sure the stable and smoothy work for the fan.
blades are of suitable angle, which can make the biggest airflow as well as the smallest noise.
shutter: Hot galvanized sheets
the thickness is 0.8mm and 1.5mm. it increase the intensity , life length and weight of whole machine
Centrifugal system
it is made of 70% superior quality nylon and 30% fiberglas
all the assembling rivets are cuprum
column - Oriented is made of 304 stainless steel
the weight of the centrifugal system is up to about 1385g.
the weight of two centrifugal system is up to about 1385g
the weight of two centrifugal system is up to about 1385g
the weight of two centrifugal hammer is between 279g to 281g
it can ensure the shutter opens with the angle of 90 degree when the while machine runs on the rails
| Model | Baleds diameter/mm | frequency/Hz |
current /A |
input power/KW |
voltage /V |
Rotational speed(r/min) | Noise(bd) | ajr flow(m3/h) | size/mm |
| BD1380 | 1270(50in) | 50 | 2.8 | 1.1 | 380 | 1440 | <64 | 51020 | 1380*1380*1300 |

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