We expect that your blower or fans are well-maintained and operated properly in safe condition serving you for long time. Personnel injury or damage to your equipment should be avoided by all means. You must pay careful attention and should properly cope with the trouble.
To get best result from your blower, points should be appropriate
1 selection of suitable blower
2 the ducts connected to the blower and their method of connection
3 carrying and installation of blower
4 operation and maintenance of blower