Poultry farming in the state of temperature and humidity on the growth of poultry play a decisive role , but now most of the breeding places took enclosed farming methods , so the installation of tunnel ventilation fans in the breeding places has become the choice for most farmers.shandong tobetter explain how to choose.

   shandong tobetter  tunnel ventilation fans  advantages:

   1.frame,frame are made of galvanized sheet,thickness 1.0mm,galvanizing layer 275g/sqm.

   2.Blade,6 pieces of blades and all the blades are made by Shanghai Krupp 430BA stainless steel,mirror face.

   3.Pulley,casting aluminum alloy pulley.light weight and corrosion resistence.

   4.Bearing,adopt Shanghai C&U brand .permanently sealed bearing.

   5.Wind concentrator,galvanized sheet,thickness 1.0mm.

   6.Inlet wind protecting net,spraying paint steel wire,thickness 2.8mm.

   7.Electrical motor,national-GRADE ALUMINUM ALLOY frame MOTOR,380v,1.1kw,3-phase,4-pole speed,1400r/m,IP55,class F, efficiency 90%,top/foot mounted,certification,CCC.

   8.Shutters, galvanized sheet,0.8mm thickness while the middle piece thickness 1.0mm.Galvanizing layer

   9.Opening system,push-pull centrifugal opening system.

   If you need tunnel ventilation fans please call our eamil romosonsales002@romoson.net