It is characteristic of efficient energy-saving, small noise, reliable performance. 1,Vertical structure, same diameter for inlet and outlet in same axis, it can be installed in pipeline like valve, featuring compact and nice appearance, small covering area, small investment on building, available to use outdoors if equipped with protection casing. 2,Adopting mechanical seal or mechanical combination as shaft seal, it is made from quality hard alloy, with long service life. 3,Convenient maintenance, available to draw out entire rotor without dismantling piping system, as long as dismantle nut in pump body support. 4,In accordance with flow capacity and delivery lift required, adopt series and parallel operation. 5,According to the requirement of pipeline arrangement, adopt vertical and horizontal installation.