... central holemmColumn center distance/DiametermmElectrical power/Speedkw/r/minweightkgSize appearanceLxWxHmmDrawing depthmmWork cycle/min-1Liu is ... products, storage refrigeration, air motor hood, the valve hand wheel, aluminum products, generator fuel tanks, auto parts, motorcycle ... electrical systems, centralized control of a button, can achieve adjustment, manual and automatic three methods of work ...