2SK double stage water ring vacuum pump is mainly used to pump air and other gas which is little corrosive, insoluble in water & with little solid. It's popular in vacuum evaporation, concentrating, dipping, drying or other craft processes. Pump is reaches high vacuum, and is with simple structure, easy operating & maintenance and widely used in food industry, textile industry, medicine industry, chemical industry or other industries. lt is characterized by higher vacuum degree, bigger pumping speed, compact structure, reliable operation.