G type single screw pump for a single screw-type transport pumps, because of its excellent performance in recent years in the domestic application of rapid expansion. Its most important feature of the media flexibility and a smooth flow, pressure, pulse of small, self-absorption capacity, which is by any other species can not replace the pump can be realized liquid, gas, solid multiphase lose, applied to Chemical, pharmaceutical, electroplating, printing and dyeing, paper, electricity and other transportation industries lubrication or non-lubricating medium, corrosive media, containing a small amount of tiny solid particles of medium and low viscosity of the medium to high viscosity,