... the vulnerability of the general centrifugal pump seals, spare parts and short life. its dimension and capability accord with ... equipped with water-cooled devices, three imported bearings. It has seal parts, suspension components designed to scientific, rational, innovative, so ... running smoothly, low noise and high efficiency. The material of parts of pump is 1Cr18Ni9Ti, 304, 316, 316L, CD4MCu etc ...