A corrosion-resistant pump. Refers to the liquid to be brought into contact with the parts made of chemical glass instrument pump. Chemical glass pump is generally centrifugal pump, pump impeller, vortex chamber, shaft seal cavity and pipette, drain nozzle are made of glass. Suitable for the transport of hydrochloric acid and nitric acid, and sulfuric acid concentration of 60% less than 30 ℃, less than 50 ℃ concentration of less than 40% sodium hydroxide and potassium hydroxide. Glass pump temperature -20 ~ 100 ℃, temperature shock value ≤ 60 ℃, the current flow rate of up to 45m3 / h, head up to 25m.