CAI�S Serial pumps conform to DIN24255 Standard and GB5662-85 which equal to the standard of ISO2858 -1975 Standard, and the suction and discharge flanges conform to GB9119-88 standard. In a broad flow range it has high operating efficiency and Iow operating cost, suitable for water-supply, pudfied- water system and som industrial departments such as medicine, food, fine chemical industry, paper making, rinsing, spraying, etc, where transported media make no corrosion to stainless material.