The process pump is a centrifugal pump which is used in chemical processes, e.g. in oil refineries and the petrochemical industry (see Refinery pump). Its design is generally of the back pull-out type. Like chemical pumps, process pumps are used for handling aggressive chemical fluids.
They are also suitable for high system pressures and temperatures. If a process pump is used in the oil industry, it must generally comply with the requirements of the American Petroleum Institute (API).