Energy savng industrial ventilation fans NF-1380

Energy savng industrial ventilation fans NF-1380,ventiltion fan,ventilating fan 1)Technical parameters modelfandiameter(mm)motor/fanbladerotatespeed(r/min)airflow(m3/h) noisedB(A) power(kw) voltage(v) weight(kg) NF-1380 1270 1450/450 44500 72 1.1 380 80 outersize(mm) frequency effectivearea(m2) fanbladematerial airpressure(Pa) blowingdistance(m) housingmaterial / 1380*1380*400 50 100-120 highstrengthmetal 160 70 galvanizedsteel/ powdercoating / 2.Feature: a)lowcost,lownoise,goodventilationeffects,strongairflow,saveenergy,longlast, highefficiencyarethestrengthofourproduct. b)Italsohastheautoopen-shutfunctiontoachievethewaterproofanddustproofeffect. c)Itisthebestchoiceforventilationandcoolingforyourmodernworkingshop. 3.Workingprinciples: Bypumpingtheairwithnegativepressure,thefanscirculatetheindoorandoutdoor freshairanddriveouttheheatandodorintheworkshop.Whentheindoorairhas beenexhausted,theoutdoorfreshairwillautomaticallyflowintothebuilding bythenegativepressureeffect,whichhelpstolowertheindoortemperature. Can be combine with cooling pads to form vertical ventilating and cooling system,which in the inexpensive and effective cooling measure in summer. The cooling pad we produced are widely used in industrial workshops,greenhouse,gardening,etc. Our products enjoys high reputation at home & abroad. If you have interest,please contact us without delay. And welcome to visit our factory and place the order.