... .Corrosion resistant 2.Revolves smooth 3.Reasonable structure 4.Application:Td75,DTII,DTIIA,etc belt buckle frames 1.Corrosion resistant 2.Revolves ... ,800,1000,1200,1400,1600;1800,2000,2200,2400, etc 3.Belt type:sailcloth belt, nylon belt, polyester belt, steel-cord ... on each side or as drawing · Distance between each idler frames ranges from 900 mm to 1500 mm Roller· Distance are ...