... imported termo controllers, imported inverters or converters.2) Hardened gear reducer box, carburized and grinded teeth, installed with forced cooling ... to diameter RotationalSpeed of screwHeight of center pointCapacityPowerDrive motor SJ-3-/25CY30mm25:1 10-160r/min1000mm 19.5kg/h2. ... 25HY90mm25:1 10-100r/min1000mm 155kg/h30kw,45kw,55kw SJ-120HY120mm25:1 30-90r/min1000mm 250kg/h75kw electric wire ...