This type of twin screw pump features a cast pump casing. It is widely used in Oil Filed, Oil Refinery, Petrochemical industries to transfer Crude oil, gas oil, low-sulfur oil, diesel oil, heavy fuel oil,lubricating oil and other fluids. We bought the technical of the Twin Screw pumps from Bornemann, Germany in 1984, the pumps are interchangeable from Bornemann pumps.