Fire exhaust fan used to be with the right fan, however, the process used in the exhaust fan fire, we need to be welded to the fan, fan welding exhaust fan fire when what we should pay attention to? This is what we want to study the subject today, following the look of it together. 1, fire exhaust fan should look smooth, no scratches and bumps processing defects, coating evenly. 2, fire exhaust fan impeller rotates normal, smooth operation, no abnormal vibration and noise, no loose fastening connection. 3, fire exhaust fan shell weld, the weld should be full no slag, bubbles, Weld defects, solid structure. 4, exhaust fan fire tests were run, with no serious motor fever, live shell and so on. These are the details on the exhaust fan fire ventilator welding quality and technical requirements, I hope you can understand, if you are using exhaust fan fire during use have any questions, you can call at any time, will be for small series you one answer. 

keywords: Fire exhaust fan, exhaust fan fire, fire exhaust fan,