●Compared with the centrifugal pump, screw pump does not need to
install the valve, the flow is stable linear flow.
●Compared with the pneumatic diaphragm pump, screw pump can
transport a variety of mixed impurities containing gas/ solid
particles/ fibers of the media, as well as a variety of corrosive
●Compared with the gear pump, screw pump can transport high
●Compared with the plunger pump, diaphragm pump and gear pump,
screw pump can be used for chemical filling and metering.