Dry Twin Casing Vacuum Pump is 100 percent oil-less rotary vane vacuum pressure pumps designed to operate on a continuous basis at any point from 0-25 hg vacuum and 0-10 PSI pressure. Kalbro Manufacturing Co., an ISO 9001: 2000 certified company manufactures Dry Twin Casing Vacuum Pump. Kalbro Manufacturing Co. Also offers Vacuum Pumps, Pressure Pumps, Side Channel Blowers, Side Channel Vacuum Pressure Pumps, Dry Vacuum Pumps, Twin Casing Pumps and Dry Combined Pumps. The Dry Twin Casing Vacuum Pump is a belt driven unit backed by integral pressure relief valve and provides displacement of 30 M³,/hr, 40 M³,/hr, 50 M³,/hr and 60 M³,/hr.