| Product name | Backward centrifugal fan |
| Material | Galvanized sheet |
| Impeller Material | Galvanized sheet steel plate by riveted type |
| Motor Type | YWF-68L, YWF-74L,YWF-102L,YWF127L |
| Insualration class | F |
| Type of protection | IP44 |
| Bearing | Ball bearing |
| Operating environment requirements | Operate temperatures from -25ºC to +60ºC, Operate humidity from 0% to 90% RH Storage temperatures from -15ºC to +50ºC; Storage humidity from 5% to 95% RH |
| Heat Protection | This external rotor motor with heat protection, cutting off temperature: 150-160ºC,replacement temperature 100-110ºC |
1.How do you ensure the quality of the fan ?
We have strict QC quality control system in every process and final spection,We have passed the EU CE certification, and the fan has a one-year warranty. If there is a quality problem with our fan within one year, our company will replace it for free and bear the return freight.
2.How long can we recevie the sample?
Normal samples can be ready within 48 hours,If it is needs to be customized, the delivery time ranges from 2-3 weeks.
3.Why we choose your fans ?
We makes very quiet noise , and good air performances of fans
4.Can the fan customized to my specifications?
We need you to provide drawings, technical parameters, etc. of customized fans, It is best to use a prototype so that our company can test your prototype to determine whether it can be customized.
5.How long is the service life?
According to the customers feedback,it can be used for 3 to 5 years, and even for 8 to 10 years it is still in use.
