... :Worm Gear ReducerSize No.:NMRV030-150Ratio:7.5,10,15,20,25,30,40,50,60,80,100Color:Blue/ SilverMaterial:Housing-Casting iron ... .55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kwApplication:In industrial machine: Food stuff,Ceramics,chemical, packing ...