discharge and stable pressure. The metl parts contacting materials of our underflow pump all adopt top-grade stainless acid-proof steel and the shaft material is 2Cr13. The bush adopts nontoxic rubber with no peculiar smell. Its working temperature can reach up to 100 degree celsius. It can be used for the transfer of corrosive media like foodstuff slurry, solution or suspension containing solid grains or rubber blocks with a viscosity of 10000Pa.S. It is widely applied in such industrial secto