Centrifugal pumps “pbs-yuanan”s premium range of centrifugal pumps offers high efficiency, low energy consumption, several options & a wide range of flow rates & pressures. “ykh” ultrapure series designed to meet the high purity & hygienic requirement of pharmaceutical industry. Pumps are supplied with all the validation documentation. “yah” series designed for dairy & beverages. “yzb” series of self priming pumps for cip systems. “yas” rotary lobe pumps designed for low, medium & high viscosity media.