1.Envisaging from Motor fan cover or Driving units angle , anticlockwise rotating is sinistrogyration;On the contrary,clockwise rotating is dextrorotation
2.The default rotation type for 4-72 blower fan of our factory is dextrorotation 0 degree
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100% tested CE certified blowers.Special customized blowers(ATEX blower,belt-driven blower) for special industry.Like gas transportation,Medical industry…Professional advice for model selection and further market development.
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