Installation Instruction for JULI Ventilation Duct

  1. Prevent the shock and friction from machinery when installation, avoid direct exposure under the sun or the rain.
  2. Ducts must be coupled before suspending, all eyelets with full hooks are suspended straight.
  • Installed and coupled according to the direction arrow without twisted zipper, otherwise the zipper coupling is easy to be broken.
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  • Level the protection sleeve to avoid air leakage.
  • The ducts must be kept at a distance of more than 10cm from the wall of gallery to avoid sharp and rough objects.
  • In case of turning, distributing or reducing, it must be configure the fittings such as elbows, Tees, reducers which match with the pressure, it doesn’t allow to change the ventilation method by opening or sewing on the main ventilation duct body without permission, otherwise the resistance will be increased in part of inside of duct, causing ventilation failure such as sudden broken of the duct.
  • The fan must be started hierarchically, Otherwise the pressure inside the duct will be increased sharply, causing serious ventilation failures such as breaking of the eyelets, falling off of the duct coupling, or sudden damage of the duct.
  • The duct outlet of should be kept away from the tunnel working face to prevent the  splashing hard objects damaging the duct.
  • The duct cannot be directly dragged on the ground, otherwise the surface will be worn. The duct should be stored in normal temperature and good ventilation.
  • Different fabric quality should be used in defined fan power and working pressure.

To learn more about how JULI Ventilation Product can help your underground mining ventilation, contact us here.