





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.
| Basic parameters | |
| Ambient temperatures | -25℃~﹢50℃ |
| Relative humidity of the air | S 95% |
| Cyclical vacillation | 22.5 ~45° ( vacillation cycle 5-10S ) |
| Sustained horizontal tlting | 15° |
| Sustained vertical tilting | 10° |
| vibration | Existence |
| Shock | Existence |