The explosion-proof grade of CBZ and FAX series explosion-proof axial flow ventilator(hereinafter referred to as EPVFV)is dIICT5, They can carry away gas mixtures or vapour contaning combustibles and explosives, ordinary air,sea air containing salt fog and other corrosives.
|Relative humidity of the air||S 95%|
|Cyclical vacillation||22.5 ~45° ( vacillation cycle 5-10S )|
|Sustained horizontal tlting||15°|
|Sustained vertical tilting||10°|